30828105

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:108

約数の個数: 144

約数和(自身を含む): 71705088

約数和(自身を除く): 40876983

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 31, 33, 35, 41, 45, 49, 55, 63, 77, 93, 99, 105, 123, 147, 155, 165, 205, 217, 231, 245, 279, 287, 315, 341, 369, 385, 441, 451, 465, 495, 539, 615, 651, 693, 735, 861, 1023, 1085, 1155, 1271, 1353, 1395, 1435, 1519, 1617, 1705, 1845, 1953, 2009, 2205, 2255, 2387, 2583, 2695, 3069, 3157, 3255, 3465, 3813, 4059, 4305, 4557, 4851, 5115, 6027, 6355, 6765, 7161, 7595, 8085, 8897, 9471, 9765, 10045, 11439, 11935, 12915, 13671, 13981, 15345, 15785, 16709, 18081, 19065, 20295, 21483, 22099, 22785, 24255, 26691, 28413, 30135, 35805, 41943, 44485, 47355, 50127, 57195, 62279, 66297, 68355, 69905, 80073, 83545, 90405, 97867, 107415, 110495, 125829, 133455, 142065, 150381, 186837, 198891, 209715, 250635, 293601, 311395, 331485, 400365, 489335, 560511, 629145, 685069, 751905, 880803, 934185, 994455, 1468005, 2055207, 2802555, 3425345, 4404015, 6165621, 10276035, 30828105]

約数ペア:

[(1, 30828105), (3, 10276035), (5, 6165621), (7, 4404015), (9, 3425345), (11, 2802555), (15, 2055207), (21, 1468005), (31, 994455), (33, 934185), (35, 880803), (41, 751905), (45, 685069), (49, 629145), (55, 560511), (63, 489335), (77, 400365), (93, 331485), (99, 311395), (105, 293601), (123, 250635), (147, 209715), (155, 198891), (165, 186837), (205, 150381), (217, 142065), (231, 133455), (245, 125829), (279, 110495), (287, 107415), (315, 97867), (341, 90405), (369, 83545), (385, 80073), (441, 69905), (451, 68355), (465, 66297), (495, 62279), (539, 57195), (615, 50127), (651, 47355), (693, 44485), (735, 41943), (861, 35805), (1023, 30135), (1085, 28413), (1155, 26691), (1271, 24255), (1353, 22785), (1395, 22099), (1435, 21483), (1519, 20295), (1617, 19065), (1705, 18081), (1845, 16709), (1953, 15785), (2009, 15345), (2205, 13981), (2255, 13671), (2387, 12915), (2583, 11935), (2695, 11439), (3069, 10045), (3157, 9765), (3255, 9471), (3465, 8897), (3813, 8085), (4059, 7595), (4305, 7161), (4557, 6765), (4851, 6355), (5115, 6027)]