87779643

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{521}}^1$

素因数の和:715

約数の個数: 32

約数和(自身を含む): 137106432

約数和(自身を除く): 49326789

約数列:

[1, 3, 7, 21, 71, 113, 213, 339, 497, 521, 791, 1491, 1563, 2373, 3647, 8023, 10941, 24069, 36991, 56161, 58873, 110973, 168483, 176619, 258937, 412111, 776811, 1236333, 4179983, 12539949, 29259881, 87779643]

約数ペア:

[(1, 87779643), (3, 29259881), (7, 12539949), (21, 4179983), (71, 1236333), (113, 776811), (213, 412111), (339, 258937), (497, 176619), (521, 168483), (791, 110973), (1491, 58873), (1563, 56161), (2373, 36991), (3647, 24069), (8023, 10941)]