66651921

素因数分解:

$3^2\times 7^1\times {\mathrm{683}}^1\times {\mathrm{1549}}^1$

素因数の和:2245

約数の個数: 24

約数和(自身を含む): 110260800

約数和(自身を除く): 43608879

約数列:

[1, 3, 7, 9, 21, 63, 683, 1549, 2049, 4647, 4781, 6147, 10843, 13941, 14343, 32529, 43029, 97587, 1057967, 3173901, 7405769, 9521703, 22217307, 66651921]

約数ペア:

[(1, 66651921), (3, 22217307), (7, 9521703), (9, 7405769), (21, 3173901), (63, 1057967), (683, 97587), (1549, 43029), (2049, 32529), (4647, 14343), (4781, 13941), (6147, 10843)]