17220285

素因数分解:

$3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1489}}^1$

素因数の和:1757

約数の個数: 24

約数和(自身を含む): 29984760

約数和(自身を除く): 12764475

約数列:

[1, 3, 5, 9, 15, 45, 257, 771, 1285, 1489, 2313, 3855, 4467, 7445, 11565, 13401, 22335, 67005, 382673, 1148019, 1913365, 3444057, 5740095, 17220285]

約数ペア:

[(1, 17220285), (3, 5740095), (5, 3444057), (9, 1913365), (15, 1148019), (45, 382673), (257, 67005), (771, 22335), (1285, 13401), (1489, 11565), (2313, 7445), (3855, 4467)]