7785687

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{79}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 13655040

約数和(自身を除く): 5869353

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 79, 91, 133, 237, 247, 273, 361, 399, 553, 741, 1027, 1083, 1501, 1659, 1729, 2527, 3081, 4503, 4693, 5187, 7189, 7581, 10507, 14079, 19513, 21567, 28519, 31521, 32851, 58539, 85557, 98553, 136591, 199633, 370747, 409773, 598899, 1112241, 2595229, 7785687]

約数ペア:

[(1, 7785687), (3, 2595229), (7, 1112241), (13, 598899), (19, 409773), (21, 370747), (39, 199633), (57, 136591), (79, 98553), (91, 85557), (133, 58539), (237, 32851), (247, 31521), (273, 28519), (361, 21567), (399, 19513), (553, 14079), (741, 10507), (1027, 7581), (1083, 7189), (1501, 5187), (1659, 4693), (1729, 4503), (2527, 3081)]