18276525

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{2801}}^1$

素因数の和:2846

約数の個数: 36

約数和(自身を含む): 33876180

約数和(自身を除く): 15599655

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 145, 225, 261, 435, 725, 1305, 2175, 2801, 6525, 8403, 14005, 25209, 42015, 70025, 81229, 126045, 210075, 243687, 406145, 630225, 731061, 1218435, 2030725, 3655305, 6092175, 18276525]

約数ペア:

[(1, 18276525), (3, 6092175), (5, 3655305), (9, 2030725), (15, 1218435), (25, 731061), (29, 630225), (45, 406145), (75, 243687), (87, 210075), (145, 126045), (225, 81229), (261, 70025), (435, 42015), (725, 25209), (1305, 14005), (2175, 8403), (2801, 6525)]