25987923

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{571}}^1$

素因数の和:979

約数の個数: 24

約数和(自身を含む): 40600560

約数和(自身を除く): 14612637

約数列:

[1, 3, 9, 13, 39, 117, 389, 571, 1167, 1713, 3501, 5057, 5139, 7423, 15171, 22269, 45513, 66807, 222119, 666357, 1999071, 2887547, 8662641, 25987923]

約数ペア:

[(1, 25987923), (3, 8662641), (9, 2887547), (13, 1999071), (39, 666357), (117, 222119), (389, 66807), (571, 45513), (1167, 22269), (1713, 15171), (3501, 7423), (5057, 5139)]