64016721

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{229}}^1\times {\mathrm{349}}^1$

素因数の和:673

約数の個数: 24

約数和(自身を含む): 94185000

約数和(自身を除く): 30168279

約数列:

[1, 3, 9, 89, 229, 267, 349, 687, 801, 1047, 2061, 3141, 20381, 31061, 61143, 79921, 93183, 183429, 239763, 279549, 719289, 7112969, 21338907, 64016721]

約数ペア:

[(1, 64016721), (3, 21338907), (9, 7112969), (89, 719289), (229, 279549), (267, 239763), (349, 183429), (687, 93183), (801, 79921), (1047, 61143), (2061, 31061), (3141, 20381)]