80909505

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{547}}^1$

素因数の和:750

約数の個数: 48

約数和(自身を含む): 148749120

約数和(自身を除く): 67839615

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 173, 285, 519, 547, 855, 865, 1557, 1641, 2595, 2735, 3287, 4923, 7785, 8205, 9861, 10393, 16435, 24615, 29583, 31179, 49305, 51965, 93537, 94631, 147915, 155895, 283893, 467685, 473155, 851679, 1419465, 1797989, 4258395, 5393967, 8989945, 16181901, 26969835, 80909505]

約数ペア:

[(1, 80909505), (3, 26969835), (5, 16181901), (9, 8989945), (15, 5393967), (19, 4258395), (45, 1797989), (57, 1419465), (95, 851679), (171, 473155), (173, 467685), (285, 283893), (519, 155895), (547, 147915), (855, 94631), (865, 93537), (1557, 51965), (1641, 49305), (2595, 31179), (2735, 29583), (3287, 24615), (4923, 16435), (7785, 10393), (8205, 9861)]