81635841

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{44683}}^1$

素因数の和:44725

約数の個数: 24

約数和(自身を含む): 139414080

約数和(自身を除く): 57778239

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 44683, 134049, 312781, 402147, 938343, 1295807, 2815029, 3887421, 9070649, 11662263, 27211947, 81635841]

約数ペア:

[(1, 81635841), (3, 27211947), (7, 11662263), (9, 9070649), (21, 3887421), (29, 2815029), (63, 1295807), (87, 938343), (203, 402147), (261, 312781), (609, 134049), (1827, 44683)]