31800153

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 56401920

約数和(自身を除く): 24601767

約数列:

[1, 3, 7, 11, 21, 29, 33, 47, 77, 87, 101, 141, 203, 231, 303, 319, 329, 517, 609, 707, 957, 987, 1111, 1363, 1551, 2121, 2233, 2929, 3333, 3619, 4089, 4747, 6699, 7777, 8787, 9541, 10857, 14241, 14993, 20503, 23331, 28623, 32219, 33229, 44979, 52217, 61509, 96657, 99687, 104951, 137663, 156651, 225533, 314853, 365519, 412989, 676599, 963641, 1096557, 1514293, 2890923, 4542879, 10600051, 31800153]

約数ペア:

[(1, 31800153), (3, 10600051), (7, 4542879), (11, 2890923), (21, 1514293), (29, 1096557), (33, 963641), (47, 676599), (77, 412989), (87, 365519), (101, 314853), (141, 225533), (203, 156651), (231, 137663), (303, 104951), (319, 99687), (329, 96657), (517, 61509), (609, 52217), (707, 44979), (957, 33229), (987, 32219), (1111, 28623), (1363, 23331), (1551, 20503), (2121, 14993), (2233, 14241), (2929, 10857), (3333, 9541), (3619, 8787), (4089, 7777), (4747, 6699)]