66564285

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{557}}^1$

素因数の和:853

約数の個数: 32

約数和(自身を含む): 110564352

約数和(自身を除く): 44000067

約数列:

[1, 3, 5, 15, 31, 93, 155, 257, 465, 557, 771, 1285, 1671, 2785, 3855, 7967, 8355, 17267, 23901, 39835, 51801, 86335, 119505, 143149, 259005, 429447, 715745, 2147235, 4437619, 13312857, 22188095, 66564285]

約数ペア:

[(1, 66564285), (3, 22188095), (5, 13312857), (15, 4437619), (31, 2147235), (93, 715745), (155, 429447), (257, 259005), (465, 143149), (557, 119505), (771, 86335), (1285, 51801), (1671, 39835), (2785, 23901), (3855, 17267), (7967, 8355)]