54720825

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 94785600

約数和(自身を除く): 40064775

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 139, 145, 181, 417, 435, 543, 695, 725, 905, 2085, 2175, 2715, 3475, 4031, 4525, 5249, 10425, 12093, 13575, 15747, 20155, 25159, 26245, 60465, 75477, 78735, 100775, 125795, 131225, 302325, 377385, 393675, 628975, 729611, 1886925, 2188833, 3648055, 10944165, 18240275, 54720825]

約数ペア:

[(1, 54720825), (3, 18240275), (5, 10944165), (15, 3648055), (25, 2188833), (29, 1886925), (75, 729611), (87, 628975), (139, 393675), (145, 377385), (181, 302325), (417, 131225), (435, 125795), (543, 100775), (695, 78735), (725, 75477), (905, 60465), (2085, 26245), (2175, 25159), (2715, 20155), (3475, 15747), (4031, 13575), (4525, 12093), (5249, 10425)]