31425219

素因数分解:

$3^3\times 7^2\times {\mathrm{23753}}^1$

素因数の和:23776

約数の個数: 24

約数和(自身を含む): 54159120

約数和(自身を除く): 22733901

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 23753, 71259, 166271, 213777, 498813, 641331, 1163897, 1496439, 3491691, 4489317, 10475073, 31425219]

約数ペア:

[(1, 31425219), (3, 10475073), (7, 4489317), (9, 3491691), (21, 1496439), (27, 1163897), (49, 641331), (63, 498813), (147, 213777), (189, 166271), (441, 71259), (1323, 23753)]