3920931

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{523}}^1$

素因数の和:560

約数の個数: 36

約数和(自身を含む): 6989112

約数和(自身を除く): 3068181

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 357, 441, 523, 833, 1071, 1569, 2499, 3661, 4707, 7497, 8891, 10983, 25627, 26673, 32949, 62237, 76881, 80019, 186711, 230643, 435659, 560133, 1306977, 3920931]

約数ペア:

[(1, 3920931), (3, 1306977), (7, 560133), (9, 435659), (17, 230643), (21, 186711), (49, 80019), (51, 76881), (63, 62237), (119, 32949), (147, 26673), (153, 25627), (357, 10983), (441, 8891), (523, 7497), (833, 4707), (1071, 3661), (1569, 2499)]