213899505

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{313}}^1\times {\mathrm{1571}}^1$

素因数の和:1921

約数の個数: 32

約数和(自身を含む): 355397760

約数和(自身を除く): 141498255

約数列:

[1, 3, 5, 15, 29, 87, 145, 313, 435, 939, 1565, 1571, 4695, 4713, 7855, 9077, 23565, 27231, 45385, 45559, 136155, 136677, 227795, 491723, 683385, 1475169, 2458615, 7375845, 14259967, 42779901, 71299835, 213899505]

約数ペア:

[(1, 213899505), (3, 71299835), (5, 42779901), (15, 14259967), (29, 7375845), (87, 2458615), (145, 1475169), (313, 683385), (435, 491723), (939, 227795), (1565, 136677), (1571, 136155), (4695, 45559), (4713, 45385), (7855, 27231), (9077, 23565)]