71899515

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{28031}}^1$

素因数の和:28064

約数の個数: 32

約数和(自身を含む): 134553600

約数和(自身を除く): 62654085

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 28031, 84093, 140155, 252279, 420465, 532589, 756837, 1261395, 1597767, 2662945, 3784185, 4793301, 7988835, 14379903, 23966505, 71899515]

約数ペア:

[(1, 71899515), (3, 23966505), (5, 14379903), (9, 7988835), (15, 4793301), (19, 3784185), (27, 2662945), (45, 1597767), (57, 1261395), (95, 756837), (135, 532589), (171, 420465), (285, 252279), (513, 140155), (855, 84093), (2565, 28031)]