645820791

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{10093}}^1$

素因数の和:10391

約数の個数: 32

約数和(自身を含む): 1077554688

約数和(自身を除く): 431733897

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 277, 831, 1939, 3047, 5817, 9141, 10093, 21329, 30279, 63987, 70651, 111023, 211953, 333069, 777161, 2331483, 2795761, 8387283, 19570327, 30753371, 58710981, 92260113, 215273597, 645820791]

約数ペア:

[(1, 645820791), (3, 215273597), (7, 92260113), (11, 58710981), (21, 30753371), (33, 19570327), (77, 8387283), (231, 2795761), (277, 2331483), (831, 777161), (1939, 333069), (3047, 211953), (5817, 111023), (9141, 70651), (10093, 63987), (21329, 30279)]