139770825

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 237651456

約数和(自身を除く): 97880631

約数列:

[1, 3, 5, 15, 25, 61, 75, 137, 183, 223, 305, 411, 669, 685, 915, 1115, 1525, 2055, 3345, 3425, 4575, 5575, 8357, 10275, 13603, 16725, 25071, 30551, 40809, 41785, 68015, 91653, 125355, 152755, 204045, 208925, 340075, 458265, 626775, 763775, 1020225, 1863611, 2291325, 5590833, 9318055, 27954165, 46590275, 139770825]

約数ペア:

[(1, 139770825), (3, 46590275), (5, 27954165), (15, 9318055), (25, 5590833), (61, 2291325), (75, 1863611), (137, 1020225), (183, 763775), (223, 626775), (305, 458265), (411, 340075), (669, 208925), (685, 204045), (915, 152755), (1115, 125355), (1525, 91653), (2055, 68015), (3345, 41785), (3425, 40809), (4575, 30551), (5575, 25071), (8357, 16725), (10275, 13603)]