7220913

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:277

約数の個数: 32

約数和(自身を含む): 11612160

約数和(自身を除く): 4391247

約数列:

[1, 3, 7, 21, 29, 71, 87, 167, 203, 213, 497, 501, 609, 1169, 1491, 2059, 3507, 4843, 6177, 11857, 14413, 14529, 33901, 35571, 43239, 82999, 101703, 248997, 343853, 1031559, 2406971, 7220913]

約数ペア:

[(1, 7220913), (3, 2406971), (7, 1031559), (21, 343853), (29, 248997), (71, 101703), (87, 82999), (167, 43239), (203, 35571), (213, 33901), (497, 14529), (501, 14413), (609, 11857), (1169, 6177), (1491, 4843), (2059, 3507)]