64418991

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{235967}}^1$

素因数の和:235990

約数の個数: 16

約数和(自身を含む): 105713664

約数和(自身を除く): 41294673

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 235967, 707901, 1651769, 3067571, 4955307, 9202713, 21472997, 64418991]

約数ペア:

[(1, 64418991), (3, 21472997), (7, 9202713), (13, 4955307), (21, 3067571), (39, 1651769), (91, 707901), (273, 235967)]