420639804957

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{4909}}^1\times {\mathrm{20593}}^1$

素因数の和:25597

約数の個数: 32

約数和(自身を含む): 598609916800

約数和(自身を除く): 177970111843

約数列:

[1, 3, 19, 57, 73, 219, 1387, 4161, 4909, 14727, 20593, 61779, 93271, 279813, 358357, 391267, 1075071, 1173801, 1503289, 4509867, 6808783, 20426349, 28562491, 85687473, 101091037, 303273111, 1920729703, 5762189109, 7379645701, 22138937103, 140213268319, 420639804957]

約数ペア:

[(1, 420639804957), (3, 140213268319), (19, 22138937103), (57, 7379645701), (73, 5762189109), (219, 1920729703), (1387, 303273111), (4161, 101091037), (4909, 85687473), (14727, 28562491), (20593, 20426349), (61779, 6808783), (93271, 4509867), (279813, 1503289), (358357, 1173801), (391267, 1075071)]