31721094

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{397}}^1$

素因数の和:621

約数の個数: 48

約数和(自身を含む): 72270432

約数和(自身を除く): 40549338

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 193, 207, 386, 397, 414, 579, 794, 1158, 1191, 1737, 2382, 3474, 3573, 4439, 7146, 8878, 9131, 13317, 18262, 26634, 27393, 39951, 54786, 76621, 79902, 82179, 153242, 164358, 229863, 459726, 689589, 1379178, 1762283, 3524566, 5286849, 10573698, 15860547, 31721094]

約数ペア:

[(1, 31721094), (2, 15860547), (3, 10573698), (6, 5286849), (9, 3524566), (18, 1762283), (23, 1379178), (46, 689589), (69, 459726), (138, 229863), (193, 164358), (207, 153242), (386, 82179), (397, 79902), (414, 76621), (579, 54786), (794, 39951), (1158, 27393), (1191, 26634), (1737, 18262), (2382, 13317), (3474, 9131), (3573, 8878), (4439, 7146)]