27947985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{433}}^1$

素因数の和:785

約数の個数: 32

約数和(自身を含む): 48413568

約数和(自身を除く): 20465583

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 331, 433, 993, 1299, 1655, 2165, 4303, 4965, 5629, 6495, 12909, 16887, 21515, 28145, 64545, 84435, 143323, 429969, 716615, 1863199, 2149845, 5589597, 9315995, 27947985]

約数ペア:

[(1, 27947985), (3, 9315995), (5, 5589597), (13, 2149845), (15, 1863199), (39, 716615), (65, 429969), (195, 143323), (331, 84435), (433, 64545), (993, 28145), (1299, 21515), (1655, 16887), (2165, 12909), (4303, 6495), (4965, 5629)]