12840075

素因数分解:

$3^2\times 5^2\times {\mathrm{149}}^1\times {\mathrm{383}}^1$

素因数の和:548

約数の個数: 36

約数和(自身を含む): 23212800

約数和(自身を除く): 10372725

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 149, 225, 383, 447, 745, 1149, 1341, 1915, 2235, 3447, 3725, 5745, 6705, 9575, 11175, 17235, 28725, 33525, 57067, 86175, 171201, 285335, 513603, 856005, 1426675, 2568015, 4280025, 12840075]

約数ペア:

[(1, 12840075), (3, 4280025), (5, 2568015), (9, 1426675), (15, 856005), (25, 513603), (45, 285335), (75, 171201), (149, 86175), (225, 57067), (383, 33525), (447, 28725), (745, 17235), (1149, 11175), (1341, 9575), (1915, 6705), (2235, 5745), (3447, 3725)]