1881789

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:197

約数の個数: 32

約数和(自身を含む): 3166464

約数和(自身を除く): 1284675

約数列:

[1, 3, 7, 13, 21, 39, 61, 91, 113, 183, 273, 339, 427, 791, 793, 1281, 1469, 2373, 2379, 4407, 5551, 6893, 10283, 16653, 20679, 30849, 48251, 89609, 144753, 268827, 627263, 1881789]

約数ペア:

[(1, 1881789), (3, 627263), (7, 268827), (13, 144753), (21, 89609), (39, 48251), (61, 30849), (91, 20679), (113, 16653), (183, 10283), (273, 6893), (339, 5551), (427, 4407), (791, 2379), (793, 2373), (1281, 1469)]