70291431

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{8389}}^1$

素因数の和:8428

約数の個数: 36

約数和(自身を含む): 124339800

約数和(自身を除く): 54048369

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2793, 8379, 8389, 25167, 58723, 75501, 159391, 176169, 411061, 478173, 528507, 1115737, 1233183, 1434519, 3347211, 3699549, 7810159, 10041633, 23430477, 70291431]

約数ペア:

[(1, 70291431), (3, 23430477), (7, 10041633), (9, 7810159), (19, 3699549), (21, 3347211), (49, 1434519), (57, 1233183), (63, 1115737), (133, 528507), (147, 478173), (171, 411061), (399, 176169), (441, 159391), (931, 75501), (1197, 58723), (2793, 25167), (8379, 8389)]