55878225

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{257}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 100326912

約数和(自身を除く): 44448687

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 223, 257, 325, 669, 771, 975, 1115, 1285, 2899, 3341, 3345, 3855, 5575, 6425, 8697, 10023, 14495, 16705, 16725, 19275, 43485, 50115, 57311, 72475, 83525, 171933, 217425, 250575, 286555, 745043, 859665, 1432775, 2235129, 3725215, 4298325, 11175645, 18626075, 55878225]

約数ペア:

[(1, 55878225), (3, 18626075), (5, 11175645), (13, 4298325), (15, 3725215), (25, 2235129), (39, 1432775), (65, 859665), (75, 745043), (195, 286555), (223, 250575), (257, 217425), (325, 171933), (669, 83525), (771, 72475), (975, 57311), (1115, 50115), (1285, 43485), (2899, 19275), (3341, 16725), (3345, 16705), (3855, 14495), (5575, 10023), (6425, 8697)]