15870735

素因数分解:

$3^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{263}}^1$

素因数の和:429

約数の個数: 40

約数和(自身を含む): 28749600

約数和(自身を除く): 12878865

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 149, 263, 405, 447, 745, 789, 1315, 1341, 2235, 2367, 3945, 4023, 6705, 7101, 11835, 12069, 20115, 21303, 35505, 39187, 60345, 106515, 117561, 195935, 352683, 587805, 1058049, 1763415, 3174147, 5290245, 15870735]

約数ペア:

[(1, 15870735), (3, 5290245), (5, 3174147), (9, 1763415), (15, 1058049), (27, 587805), (45, 352683), (81, 195935), (135, 117561), (149, 106515), (263, 60345), (405, 39187), (447, 35505), (745, 21303), (789, 20115), (1315, 12069), (1341, 11835), (2235, 7101), (2367, 6705), (3945, 4023)]