78423525

素因数分解:

$3^3\times 5^2\times {\mathrm{223}}^1\times {\mathrm{521}}^1$

素因数の和:763

約数の個数: 48

約数和(自身を含む): 144990720

約数和(自身を除く): 66567195

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 223, 225, 521, 669, 675, 1115, 1563, 2007, 2605, 3345, 4689, 5575, 6021, 7815, 10035, 13025, 14067, 16725, 23445, 30105, 39075, 50175, 70335, 116183, 117225, 150525, 348549, 351675, 580915, 1045647, 1742745, 2904575, 3136941, 5228235, 8713725, 15684705, 26141175, 78423525]

約数ペア:

[(1, 78423525), (3, 26141175), (5, 15684705), (9, 8713725), (15, 5228235), (25, 3136941), (27, 2904575), (45, 1742745), (75, 1045647), (135, 580915), (223, 351675), (225, 348549), (521, 150525), (669, 117225), (675, 116183), (1115, 70335), (1563, 50175), (2007, 39075), (2605, 30105), (3345, 23445), (4689, 16725), (5575, 14067), (6021, 13025), (7815, 10035)]