252938115

素因数分解:

$3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{21871}}^1$

素因数の和:22139

約数の個数: 24

約数和(自身を含む): 440152128

約数和(自身を除く): 187214013

約数列:

[1, 3, 5, 9, 15, 45, 257, 771, 1285, 2313, 3855, 11565, 21871, 65613, 109355, 196839, 328065, 984195, 5620847, 16862541, 28104235, 50587623, 84312705, 252938115]

約数ペア:

[(1, 252938115), (3, 84312705), (5, 50587623), (9, 28104235), (15, 16862541), (45, 5620847), (257, 984195), (771, 328065), (1285, 196839), (2313, 109355), (3855, 65613), (11565, 21871)]