31038315

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{349}}^1$

素因数の和:393

約数の個数: 72

約数和(自身を含む): 63680400

約数和(自身を除く): 32642085

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 49, 55, 77, 105, 121, 147, 165, 231, 245, 349, 363, 385, 539, 605, 735, 847, 1047, 1155, 1617, 1745, 1815, 2443, 2541, 2695, 3839, 4235, 5235, 5929, 7329, 8085, 11517, 12215, 12705, 17101, 17787, 19195, 26873, 29645, 36645, 42229, 51303, 57585, 80619, 85505, 88935, 126687, 134365, 188111, 211145, 256515, 295603, 403095, 564333, 633435, 886809, 940555, 1478015, 2069221, 2821665, 4434045, 6207663, 10346105, 31038315]

約数ペア:

[(1, 31038315), (3, 10346105), (5, 6207663), (7, 4434045), (11, 2821665), (15, 2069221), (21, 1478015), (33, 940555), (35, 886809), (49, 633435), (55, 564333), (77, 403095), (105, 295603), (121, 256515), (147, 211145), (165, 188111), (231, 134365), (245, 126687), (349, 88935), (363, 85505), (385, 80619), (539, 57585), (605, 51303), (735, 42229), (847, 36645), (1047, 29645), (1155, 26873), (1617, 19195), (1745, 17787), (1815, 17101), (2443, 12705), (2541, 12215), (2695, 11517), (3839, 8085), (4235, 7329), (5235, 5929)]