13790805

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{647}}^1$

素因数の和:698

約数の個数: 48

約数和(自身を含む): 26593920

約数和(自身を除く): 12803115

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 49, 87, 105, 145, 147, 203, 245, 435, 609, 647, 735, 1015, 1421, 1941, 3045, 3235, 4263, 4529, 7105, 9705, 13587, 18763, 21315, 22645, 31703, 56289, 67935, 93815, 95109, 131341, 158515, 281445, 394023, 475545, 656705, 919387, 1970115, 2758161, 4596935, 13790805]

約数ペア:

[(1, 13790805), (3, 4596935), (5, 2758161), (7, 1970115), (15, 919387), (21, 656705), (29, 475545), (35, 394023), (49, 281445), (87, 158515), (105, 131341), (145, 95109), (147, 93815), (203, 67935), (245, 56289), (435, 31703), (609, 22645), (647, 21315), (735, 18763), (1015, 13587), (1421, 9705), (1941, 7105), (3045, 4529), (3235, 4263)]