2021236425

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{22291}}^1$

素因数の和:22351

約数の個数: 72

約数和(自身を含む): 4024686848

約数和(自身を除く): 2003450423

約数列:

[1, 3, 5, 9, 13, 15, 25, 31, 39, 45, 65, 75, 93, 117, 155, 195, 225, 279, 325, 403, 465, 585, 775, 975, 1209, 1395, 2015, 2325, 2925, 3627, 6045, 6975, 10075, 18135, 22291, 30225, 66873, 90675, 111455, 200619, 289783, 334365, 557275, 691021, 869349, 1003095, 1448915, 1671825, 2073063, 2608047, 3455105, 4346745, 5015475, 6219189, 7244575, 8983273, 10365315, 13040235, 17275525, 21733725, 26949819, 31095945, 44916365, 51826575, 65201175, 80849457, 134749095, 155479725, 224581825, 404247285, 673745475, 2021236425]

約数ペア:

[(1, 2021236425), (3, 673745475), (5, 404247285), (9, 224581825), (13, 155479725), (15, 134749095), (25, 80849457), (31, 65201175), (39, 51826575), (45, 44916365), (65, 31095945), (75, 26949819), (93, 21733725), (117, 17275525), (155, 13040235), (195, 10365315), (225, 8983273), (279, 7244575), (325, 6219189), (403, 5015475), (465, 4346745), (585, 3455105), (775, 2608047), (975, 2073063), (1209, 1671825), (1395, 1448915), (2015, 1003095), (2325, 869349), (2925, 691021), (3627, 557275), (6045, 334365), (6975, 289783), (10075, 200619), (18135, 111455), (22291, 90675), (30225, 66873)]