28010115

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{12703}}^1$

素因数の和:12728

約数の個数: 36

約数和(自身を含む): 56481984

約数和(自身を除く): 28471869

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 12703, 38109, 63515, 88921, 114327, 190545, 266763, 444605, 571635, 622447, 800289, 1333815, 1867341, 3112235, 4001445, 5602023, 9336705, 28010115]

約数ペア:

[(1, 28010115), (3, 9336705), (5, 5602023), (7, 4001445), (9, 3112235), (15, 1867341), (21, 1333815), (35, 800289), (45, 622447), (49, 571635), (63, 444605), (105, 266763), (147, 190545), (245, 114327), (315, 88921), (441, 63515), (735, 38109), (2205, 12703)]