201213405

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1487}}^1$

素因数の和:1626

約数の個数: 48

約数和(自身を含む): 363976704

約数和(自身を除く): 162763299

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 97, 155, 279, 291, 465, 485, 873, 1395, 1455, 1487, 3007, 4365, 4461, 7435, 9021, 13383, 15035, 22305, 27063, 45105, 46097, 66915, 135315, 138291, 144239, 230485, 414873, 432717, 691455, 721195, 1298151, 2074365, 2163585, 4471409, 6490755, 13414227, 22357045, 40242681, 67071135, 201213405]

約数ペア:

[(1, 201213405), (3, 67071135), (5, 40242681), (9, 22357045), (15, 13414227), (31, 6490755), (45, 4471409), (93, 2163585), (97, 2074365), (155, 1298151), (279, 721195), (291, 691455), (465, 432717), (485, 414873), (873, 230485), (1395, 144239), (1455, 138291), (1487, 135315), (3007, 66915), (4365, 46097), (4461, 45105), (7435, 27063), (9021, 22305), (13383, 15035)]