389233221

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{3779}}^1$

素因数の和:3953

約数の個数: 32

約数和(自身を含む): 592704000

約数和(自身を除く): 203470779

約数列:

[1, 3, 13, 19, 39, 57, 139, 247, 417, 741, 1807, 2641, 3779, 5421, 7923, 11337, 34333, 49127, 71801, 102999, 147381, 215403, 525281, 933413, 1575843, 2800239, 6828653, 9980339, 20485959, 29941017, 129744407, 389233221]

約数ペア:

[(1, 389233221), (3, 129744407), (13, 29941017), (19, 20485959), (39, 9980339), (57, 6828653), (139, 2800239), (247, 1575843), (417, 933413), (741, 525281), (1807, 215403), (2641, 147381), (3779, 102999), (5421, 71801), (7923, 49127), (11337, 34333)]