13248375

素因数分解:

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

素因数の和:142

約数の個数: 64

約数和(自身を含む): 25958400

約数和(自身を除く): 12710025

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 103, 105, 125, 147, 175, 245, 309, 343, 375, 515, 525, 721, 735, 875, 1029, 1225, 1545, 1715, 2163, 2575, 2625, 3605, 3675, 5047, 5145, 6125, 7725, 8575, 10815, 12875, 15141, 18025, 18375, 25235, 25725, 35329, 38625, 42875, 54075, 75705, 90125, 105987, 126175, 128625, 176645, 270375, 378525, 529935, 630875, 883225, 1892625, 2649675, 4416125, 13248375]

約数ペア:

[(1, 13248375), (3, 4416125), (5, 2649675), (7, 1892625), (15, 883225), (21, 630875), (25, 529935), (35, 378525), (49, 270375), (75, 176645), (103, 128625), (105, 126175), (125, 105987), (147, 90125), (175, 75705), (245, 54075), (309, 42875), (343, 38625), (375, 35329), (515, 25725), (525, 25235), (721, 18375), (735, 18025), (875, 15141), (1029, 12875), (1225, 10815), (1545, 8575), (1715, 7725), (2163, 6125), (2575, 5145), (2625, 5047), (3605, 3675)]