31118283

素因数分解:

$3^3\times 7^2\times {\mathrm{43}}^1\times {\mathrm{547}}^1$

素因数の和:613

約数の個数: 48

約数和(自身を含む): 54975360

約数和(自身を除く): 23857077

約数列:

[1, 3, 7, 9, 21, 27, 43, 49, 63, 129, 147, 189, 301, 387, 441, 547, 903, 1161, 1323, 1641, 2107, 2709, 3829, 4923, 6321, 8127, 11487, 14769, 18963, 23521, 26803, 34461, 56889, 70563, 80409, 103383, 164647, 211689, 241227, 493941, 635067, 723681, 1152529, 1481823, 3457587, 4445469, 10372761, 31118283]

約数ペア:

[(1, 31118283), (3, 10372761), (7, 4445469), (9, 3457587), (21, 1481823), (27, 1152529), (43, 723681), (49, 635067), (63, 493941), (129, 241227), (147, 211689), (189, 164647), (301, 103383), (387, 80409), (441, 70563), (547, 56889), (903, 34461), (1161, 26803), (1323, 23521), (1641, 18963), (2107, 14769), (2709, 11487), (3829, 8127), (4923, 6321)]