30420021

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 45121536

約数和(自身を除く): 14701515

約数列:

[1, 3, 17, 31, 51, 71, 93, 213, 271, 527, 813, 1207, 1581, 2201, 3621, 4607, 6603, 8401, 13821, 19241, 25203, 37417, 57723, 112251, 142817, 327097, 428451, 596471, 981291, 1789413, 10140007, 30420021]

約数ペア:

[(1, 30420021), (3, 10140007), (17, 1789413), (31, 981291), (51, 596471), (71, 428451), (93, 327097), (213, 142817), (271, 112251), (527, 57723), (813, 37417), (1207, 25203), (1581, 19241), (2201, 13821), (3621, 8401), (4607, 6603)]