2953215

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 5541120

約数和(自身を除く): 2587905

約数列:

[1, 3, 5, 9, 15, 29, 31, 45, 73, 87, 93, 145, 155, 219, 261, 279, 365, 435, 465, 657, 899, 1095, 1305, 1395, 2117, 2263, 2697, 3285, 4495, 6351, 6789, 8091, 10585, 11315, 13485, 19053, 20367, 31755, 33945, 40455, 65627, 95265, 101835, 196881, 328135, 590643, 984405, 2953215]

約数ペア:

[(1, 2953215), (3, 984405), (5, 590643), (9, 328135), (15, 196881), (29, 101835), (31, 95265), (45, 65627), (73, 40455), (87, 33945), (93, 31755), (145, 20367), (155, 19053), (219, 13485), (261, 11315), (279, 10585), (365, 8091), (435, 6789), (465, 6351), (657, 4495), (899, 3285), (1095, 2697), (1305, 2263), (1395, 2117)]