27957215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{641}}^1$

素因数の和:731

約数の個数: 32

約数和(自身を含む): 40122432

約数和(自身を除く): 12165217

約数列:

[1, 5, 11, 13, 55, 61, 65, 143, 305, 641, 671, 715, 793, 3205, 3355, 3965, 7051, 8333, 8723, 35255, 39101, 41665, 43615, 91663, 195505, 430111, 458315, 508313, 2150555, 2541565, 5591443, 27957215]

約数ペア:

[(1, 27957215), (5, 5591443), (11, 2541565), (13, 2150555), (55, 508313), (61, 458315), (65, 430111), (143, 195505), (305, 91663), (641, 43615), (671, 41665), (715, 39101), (793, 35255), (3205, 8723), (3355, 8333), (3965, 7051)]