16621425

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{2383}}^1$

素因数の和:2430

約数の個数: 36

約数和(自身を含む): 30744064

約数和(自身を除く): 14122639

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 75, 93, 155, 225, 279, 465, 775, 1395, 2325, 2383, 6975, 7149, 11915, 21447, 35745, 59575, 73873, 107235, 178725, 221619, 369365, 536175, 664857, 1108095, 1846825, 3324285, 5540475, 16621425]

約数ペア:

[(1, 16621425), (3, 5540475), (5, 3324285), (9, 1846825), (15, 1108095), (25, 664857), (31, 536175), (45, 369365), (75, 221619), (93, 178725), (155, 107235), (225, 73873), (279, 59575), (465, 35745), (775, 21447), (1395, 11915), (2325, 7149), (2383, 6975)]