1381653

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{241}}^1$

素因数の和:274

約数の個数: 36

約数和(自身を含む): 2510508

約数和(自身を除く): 1128855

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 241, 273, 441, 637, 723, 819, 1687, 1911, 2169, 3133, 5061, 5733, 9399, 11809, 15183, 21931, 28197, 35427, 65793, 106281, 153517, 197379, 460551, 1381653]

約数ペア:

[(1, 1381653), (3, 460551), (7, 197379), (9, 153517), (13, 106281), (21, 65793), (39, 35427), (49, 28197), (63, 21931), (91, 15183), (117, 11809), (147, 9399), (241, 5733), (273, 5061), (441, 3133), (637, 2169), (723, 1911), (819, 1687)]