31313205

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1291}}^1$

素因数の和:1327

約数の個数: 72

約数和(自身を含む): 68930784

約数和(自身を除く): 37617579

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 49, 55, 63, 77, 99, 105, 147, 165, 231, 245, 315, 385, 441, 495, 539, 693, 735, 1155, 1291, 1617, 2205, 2695, 3465, 3873, 4851, 6455, 8085, 9037, 11619, 14201, 19365, 24255, 27111, 42603, 45185, 58095, 63259, 71005, 81333, 99407, 127809, 135555, 189777, 213015, 298221, 316295, 406665, 497035, 569331, 639045, 695849, 894663, 948885, 1491105, 2087547, 2846655, 3479245, 4473315, 6262641, 10437735, 31313205]

約数ペア:

[(1, 31313205), (3, 10437735), (5, 6262641), (7, 4473315), (9, 3479245), (11, 2846655), (15, 2087547), (21, 1491105), (33, 948885), (35, 894663), (45, 695849), (49, 639045), (55, 569331), (63, 497035), (77, 406665), (99, 316295), (105, 298221), (147, 213015), (165, 189777), (231, 135555), (245, 127809), (315, 99407), (385, 81333), (441, 71005), (495, 63259), (539, 58095), (693, 45185), (735, 42603), (1155, 27111), (1291, 24255), (1617, 19365), (2205, 14201), (2695, 11619), (3465, 9037), (3873, 8085), (4851, 6455)]