25465839

素因数分解:

$3^1\times 7^2\times {\mathrm{191}}^1\times {\mathrm{907}}^1$

素因数の和:1115

約数の個数: 24

約数和(自身を含む): 39748608

約数和(自身を除く): 14282769

約数列:

[1, 3, 7, 21, 49, 147, 191, 573, 907, 1337, 2721, 4011, 6349, 9359, 19047, 28077, 44443, 133329, 173237, 519711, 1212659, 3637977, 8488613, 25465839]

約数ペア:

[(1, 25465839), (3, 8488613), (7, 3637977), (21, 1212659), (49, 519711), (147, 173237), (191, 133329), (573, 44443), (907, 28077), (1337, 19047), (2721, 9359), (4011, 6349)]