1577745

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:87

約数の個数: 64

約数和(自身を含む): 3225600

約数和(自身を除く): 1647855

約数列:

[1, 3, 5, 9, 13, 15, 27, 29, 31, 39, 45, 65, 87, 93, 117, 135, 145, 155, 195, 261, 279, 351, 377, 403, 435, 465, 585, 783, 837, 899, 1131, 1209, 1305, 1395, 1755, 1885, 2015, 2697, 3393, 3627, 3915, 4185, 4495, 5655, 6045, 8091, 10179, 10881, 11687, 13485, 16965, 18135, 24273, 35061, 40455, 50895, 54405, 58435, 105183, 121365, 175305, 315549, 525915, 1577745]

約数ペア:

[(1, 1577745), (3, 525915), (5, 315549), (9, 175305), (13, 121365), (15, 105183), (27, 58435), (29, 54405), (31, 50895), (39, 40455), (45, 35061), (65, 24273), (87, 18135), (93, 16965), (117, 13485), (135, 11687), (145, 10881), (155, 10179), (195, 8091), (261, 6045), (279, 5655), (351, 4495), (377, 4185), (403, 3915), (435, 3627), (465, 3393), (585, 2697), (783, 2015), (837, 1885), (899, 1755), (1131, 1395), (1209, 1305)]