64715931

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{13003}}^1$

素因数の和:13095

約数の個数: 24

約数和(自身を含む): 108193280

約数和(自身を除く): 43477349

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 553, 711, 1659, 4977, 13003, 39009, 91021, 117027, 273063, 819189, 1027237, 3081711, 7190659, 9245133, 21571977, 64715931]

約数ペア:

[(1, 64715931), (3, 21571977), (7, 9245133), (9, 7190659), (21, 3081711), (63, 1027237), (79, 819189), (237, 273063), (553, 117027), (711, 91021), (1659, 39009), (4977, 13003)]