155217915

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149969}}^1$

素因数の和:150003

約数の個数: 24

約数和(自身を含む): 280743840

約数和(自身を除く): 125525925

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 149969, 449907, 749845, 1349721, 2249535, 3449287, 6748605, 10347861, 17246435, 31043583, 51739305, 155217915]

約数ペア:

[(1, 155217915), (3, 51739305), (5, 31043583), (9, 17246435), (15, 10347861), (23, 6748605), (45, 3449287), (69, 2249535), (115, 1349721), (207, 749845), (345, 449907), (1035, 149969)]