7220031

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{499}}^1$

素因数の和:575

約数の個数: 32

約数和(自身を含む): 12096000

約数和(自身を除く): 4875969

約数列:

[1, 3, 7, 13, 21, 39, 53, 91, 159, 273, 371, 499, 689, 1113, 1497, 2067, 3493, 4823, 6487, 10479, 14469, 19461, 26447, 45409, 79341, 136227, 185129, 343811, 555387, 1031433, 2406677, 7220031]

約数ペア:

[(1, 7220031), (3, 2406677), (7, 1031433), (13, 555387), (21, 343811), (39, 185129), (53, 136227), (91, 79341), (159, 45409), (273, 26447), (371, 19461), (499, 14469), (689, 10479), (1113, 6487), (1497, 4823), (2067, 3493)]