42471891

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{659}}^1$

素因数の和:717

約数の個数: 64

約数和(自身を含む): 81100800

約数和(自身を除く): 38628909

約数列:

[1, 3, 7, 9, 11, 21, 27, 31, 33, 63, 77, 93, 99, 189, 217, 231, 279, 297, 341, 651, 659, 693, 837, 1023, 1953, 1977, 2079, 2387, 3069, 4613, 5859, 5931, 7161, 7249, 9207, 13839, 17793, 20429, 21483, 21747, 41517, 50743, 61287, 64449, 65241, 124551, 143003, 152229, 183861, 195723, 224719, 429009, 456687, 551583, 674157, 1287027, 1370061, 1573033, 2022471, 3861081, 4719099, 6067413, 14157297, 42471891]

約数ペア:

[(1, 42471891), (3, 14157297), (7, 6067413), (9, 4719099), (11, 3861081), (21, 2022471), (27, 1573033), (31, 1370061), (33, 1287027), (63, 674157), (77, 551583), (93, 456687), (99, 429009), (189, 224719), (217, 195723), (231, 183861), (279, 152229), (297, 143003), (341, 124551), (651, 65241), (659, 64449), (693, 61287), (837, 50743), (1023, 41517), (1953, 21747), (1977, 21483), (2079, 20429), (2387, 17793), (3069, 13839), (4613, 9207), (5859, 7249), (5931, 7161)]