64560657

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{439}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 101376000

約数和(自身を除く): 36815343

約数列:

[1, 3, 7, 21, 47, 141, 149, 329, 439, 447, 987, 1043, 1317, 3073, 3129, 7003, 9219, 20633, 21009, 49021, 61899, 65411, 144431, 147063, 196233, 433293, 457877, 1373631, 3074317, 9222951, 21520219, 64560657]

約数ペア:

[(1, 64560657), (3, 21520219), (7, 9222951), (21, 3074317), (47, 1373631), (141, 457877), (149, 433293), (329, 196233), (439, 147063), (447, 144431), (987, 65411), (1043, 61899), (1317, 49021), (3073, 21009), (3129, 20633), (7003, 9219)]