64977171

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1531}}^1$

素因数の和:1631

約数の個数: 32

約数和(自身を含む): 103538688

約数和(自身を除く): 38561517

約数列:

[1, 3, 7, 21, 43, 47, 129, 141, 301, 329, 903, 987, 1531, 2021, 4593, 6063, 10717, 14147, 32151, 42441, 65833, 71957, 197499, 215871, 460831, 503699, 1382493, 1511097, 3094151, 9282453, 21659057, 64977171]

約数ペア:

[(1, 64977171), (3, 21659057), (7, 9282453), (21, 3094151), (43, 1511097), (47, 1382493), (129, 503699), (141, 460831), (301, 215871), (329, 197499), (903, 71957), (987, 65833), (1531, 42441), (2021, 32151), (4593, 14147), (6063, 10717)]