261240399

素因数分解:

$3^2\times 7^1\times {\mathrm{1549}}^1\times {\mathrm{2677}}^1$

素因数の和:4239

約数の個数: 24

約数和(自身を含む): 431693600

約数和(自身を除く): 170453201

約数列:

[1, 3, 7, 9, 21, 63, 1549, 2677, 4647, 8031, 10843, 13941, 18739, 24093, 32529, 56217, 97587, 168651, 4146673, 12440019, 29026711, 37320057, 87080133, 261240399]

約数ペア:

[(1, 261240399), (3, 87080133), (7, 37320057), (9, 29026711), (21, 12440019), (63, 4146673), (1549, 168651), (2677, 97587), (4647, 56217), (8031, 32529), (10843, 24093), (13941, 18739)]