281873763

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2131}}^1$

素因数の和:2237

約数の個数: 40

約数和(自身を含む): 445775616

約数和(自身を除く): 163901853

約数列:

[1, 3, 9, 23, 27, 69, 71, 81, 207, 213, 621, 639, 1633, 1863, 1917, 2131, 4899, 5751, 6393, 14697, 19179, 44091, 49013, 57537, 132273, 147039, 151301, 172611, 441117, 453903, 1323351, 1361709, 3479923, 3970053, 4085127, 10439769, 12255381, 31319307, 93957921, 281873763]

約数ペア:

[(1, 281873763), (3, 93957921), (9, 31319307), (23, 12255381), (27, 10439769), (69, 4085127), (71, 3970053), (81, 3479923), (207, 1361709), (213, 1323351), (621, 453903), (639, 441117), (1633, 172611), (1863, 151301), (1917, 147039), (2131, 132273), (4899, 57537), (5751, 49013), (6393, 44091), (14697, 19179)]