9998025

素因数分解:

$3^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{1223}}^1$

素因数の和:1345

約数の個数: 24

約数和(自身を含む): 16695360

約数和(自身を除く): 6697335

約数列:

[1, 3, 5, 15, 25, 75, 109, 327, 545, 1223, 1635, 2725, 3669, 6115, 8175, 18345, 30575, 91725, 133307, 399921, 666535, 1999605, 3332675, 9998025]

約数ペア:

[(1, 9998025), (3, 3332675), (5, 1999605), (15, 666535), (25, 399921), (75, 133307), (109, 91725), (327, 30575), (545, 18345), (1223, 8175), (1635, 6115), (2725, 3669)]