16205355

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2749}}^1$

素因数の和:2891

約数の個数: 24

約数和(自身を含む): 28314000

約数和(自身を除く): 12108645

約数列:

[1, 3, 5, 9, 15, 45, 131, 393, 655, 1179, 1965, 2749, 5895, 8247, 13745, 24741, 41235, 123705, 360119, 1080357, 1800595, 3241071, 5401785, 16205355]

約数ペア:

[(1, 16205355), (3, 5401785), (5, 3241071), (9, 1800595), (15, 1080357), (45, 360119), (131, 123705), (393, 41235), (655, 24741), (1179, 13745), (1965, 8247), (2749, 5895)]