64891557

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1$

素因数の和:530

約数の個数: 32

約数和(自身を含む): 98962560

約数和(自身を除く): 34071003

約数列:

[1, 3, 9, 27, 53, 137, 159, 331, 411, 477, 993, 1233, 1431, 2979, 3699, 7261, 8937, 17543, 21783, 45347, 52629, 65349, 136041, 157887, 196047, 408123, 473661, 1224369, 2403391, 7210173, 21630519, 64891557]

約数ペア:

[(1, 64891557), (3, 21630519), (9, 7210173), (27, 2403391), (53, 1224369), (137, 473661), (159, 408123), (331, 196047), (411, 157887), (477, 136041), (993, 65349), (1233, 52629), (1431, 45347), (2979, 21783), (3699, 17543), (7261, 8937)]