20174715

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{769}}^1$

素因数の和:844

約数の個数: 48

約数和(自身を含む): 38918880

約数和(自身を除く): 18744165

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 53, 55, 99, 159, 165, 265, 477, 495, 583, 769, 795, 1749, 2307, 2385, 2915, 3845, 5247, 6921, 8459, 8745, 11535, 25377, 26235, 34605, 40757, 42295, 76131, 122271, 126885, 203785, 366813, 380655, 448327, 611355, 1344981, 1834065, 2241635, 4034943, 6724905, 20174715]

約数ペア:

[(1, 20174715), (3, 6724905), (5, 4034943), (9, 2241635), (11, 1834065), (15, 1344981), (33, 611355), (45, 448327), (53, 380655), (55, 366813), (99, 203785), (159, 126885), (165, 122271), (265, 76131), (477, 42295), (495, 40757), (583, 34605), (769, 26235), (795, 25377), (1749, 11535), (2307, 8745), (2385, 8459), (2915, 6921), (3845, 5247)]