13206843

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{457}}^1$

素因数の和:508

約数の個数: 36

約数和(自身を含む): 21791640

約数和(自身を除く): 8584797

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 169, 171, 247, 457, 507, 741, 1371, 1521, 2223, 3211, 4113, 5941, 8683, 9633, 17823, 26049, 28899, 53469, 77233, 78147, 112879, 231699, 338637, 695097, 1015911, 1467427, 4402281, 13206843]

約数ペア:

[(1, 13206843), (3, 4402281), (9, 1467427), (13, 1015911), (19, 695097), (39, 338637), (57, 231699), (117, 112879), (169, 78147), (171, 77233), (247, 53469), (457, 28899), (507, 26049), (741, 17823), (1371, 9633), (1521, 8683), (2223, 5941), (3211, 4113)]