399993

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:85

約数の個数: 32

約数和(自身を含む): 663552

約数和(自身を除く): 263559

約数列:

[1, 3, 11, 17, 23, 31, 33, 51, 69, 93, 187, 253, 341, 391, 527, 561, 713, 759, 1023, 1173, 1581, 2139, 4301, 5797, 7843, 12121, 12903, 17391, 23529, 36363, 133331, 399993]

約数ペア:

[(1, 399993), (3, 133331), (11, 36363), (17, 23529), (23, 17391), (31, 12903), (33, 12121), (51, 7843), (69, 5797), (93, 4301), (187, 2139), (253, 1581), (341, 1173), (391, 1023), (527, 759), (561, 713)]