201506445

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{639703}}^1$

素因数の和:639721

約数の個数: 24

約数和(自身を含む): 399175296

約数和(自身を除く): 197668851

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 639703, 1919109, 3198515, 4477921, 5757327, 9595545, 13433763, 22389605, 28786635, 40301289, 67168815, 201506445]

約数ペア:

[(1, 201506445), (3, 67168815), (5, 40301289), (7, 28786635), (9, 22389605), (15, 13433763), (21, 9595545), (35, 5757327), (45, 4477921), (63, 3198515), (105, 1919109), (315, 639703)]