81324607

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 104315904

約数和(自身を除く): 22991297

約数列:

[1, 7, 13, 41, 71, 91, 287, 307, 497, 533, 923, 2149, 2911, 3731, 3991, 6461, 12587, 20377, 21797, 27937, 37843, 88109, 152579, 163631, 264901, 283361, 893677, 1145417, 1983527, 6255739, 11617801, 81324607]

約数ペア:

[(1, 81324607), (7, 11617801), (13, 6255739), (41, 1983527), (71, 1145417), (91, 893677), (287, 283361), (307, 264901), (497, 163631), (533, 152579), (923, 88109), (2149, 37843), (2911, 27937), (3731, 21797), (3991, 20377), (6461, 12587)]