15721845111

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{31601}}^1$

素因数の和:31816

約数の個数: 48

約数和(自身を含む): 26621524800

約数和(自身を除く): 10899679689

約数列:

[1, 3, 7, 9, 21, 53, 63, 149, 159, 371, 447, 477, 1043, 1113, 1341, 3129, 3339, 7897, 9387, 23691, 31601, 55279, 71073, 94803, 165837, 221207, 284409, 497511, 663621, 1674853, 1990863, 4708549, 5024559, 11723971, 14125647, 15073677, 32959843, 35171913, 42376941, 98879529, 105515739, 249553097, 296638587, 748659291, 1746871679, 2245977873, 5240615037, 15721845111]

約数ペア:

[(1, 15721845111), (3, 5240615037), (7, 2245977873), (9, 1746871679), (21, 748659291), (53, 296638587), (63, 249553097), (149, 105515739), (159, 98879529), (371, 42376941), (447, 35171913), (477, 32959843), (1043, 15073677), (1113, 14125647), (1341, 11723971), (3129, 5024559), (3339, 4708549), (7897, 1990863), (9387, 1674853), (23691, 663621), (31601, 497511), (55279, 284409), (71073, 221207), (94803, 165837)]