17213985

素因数分解:

$3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2713}}^1$

素因数の和:2774

約数の個数: 32

約数和(自身を含む): 31265280

約数和(自身を除く): 14051295

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 135, 141, 235, 423, 705, 1269, 2115, 2713, 6345, 8139, 13565, 24417, 40695, 73251, 122085, 127511, 366255, 382533, 637555, 1147599, 1912665, 3442797, 5737995, 17213985]

約数ペア:

[(1, 17213985), (3, 5737995), (5, 3442797), (9, 1912665), (15, 1147599), (27, 637555), (45, 382533), (47, 366255), (135, 127511), (141, 122085), (235, 73251), (423, 40695), (705, 24417), (1269, 13565), (2115, 8139), (2713, 6345)]