2121795

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1$

素因数の和:74

約数の個数: 60

約数和(自身を含む): 4251456

約数和(自身を除く): 2129661

約数列:

[1, 3, 5, 9, 13, 15, 27, 31, 39, 45, 65, 81, 93, 117, 135, 155, 169, 195, 279, 351, 403, 405, 465, 507, 585, 837, 845, 1053, 1209, 1395, 1521, 1755, 2015, 2511, 2535, 3627, 4185, 4563, 5239, 5265, 6045, 7605, 10881, 12555, 13689, 15717, 18135, 22815, 26195, 32643, 47151, 54405, 68445, 78585, 141453, 163215, 235755, 424359, 707265, 2121795]

約数ペア:

[(1, 2121795), (3, 707265), (5, 424359), (9, 235755), (13, 163215), (15, 141453), (27, 78585), (31, 68445), (39, 54405), (45, 47151), (65, 32643), (81, 26195), (93, 22815), (117, 18135), (135, 15717), (155, 13689), (169, 12555), (195, 10881), (279, 7605), (351, 6045), (403, 5265), (405, 5239), (465, 4563), (507, 4185), (585, 3627), (837, 2535), (845, 2511), (1053, 2015), (1209, 1755), (1395, 1521)]