378525

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{103}}^1$

素因数の和:130

約数の個数: 36

約数和(自身を含む): 735072

約数和(自身を除く): 356547

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 103, 105, 147, 175, 245, 309, 515, 525, 721, 735, 1225, 1545, 2163, 2575, 3605, 3675, 5047, 7725, 10815, 15141, 18025, 25235, 54075, 75705, 126175, 378525]

約数ペア:

[(1, 378525), (3, 126175), (5, 75705), (7, 54075), (15, 25235), (21, 18025), (25, 15141), (35, 10815), (49, 7725), (75, 5047), (103, 3675), (105, 3605), (147, 2575), (175, 2163), (245, 1545), (309, 1225), (515, 735), (525, 721)]