638979

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{67}}^1$

素因数の和:115

約数の個数: 24

約数和(自身を含む): 1002048

約数和(自身を除く): 363069

約数列:

[1, 3, 11, 17, 33, 51, 67, 187, 201, 289, 561, 737, 867, 1139, 2211, 3179, 3417, 9537, 12529, 19363, 37587, 58089, 212993, 638979]

約数ペア:

[(1, 638979), (3, 212993), (11, 58089), (17, 37587), (33, 19363), (51, 12529), (67, 9537), (187, 3417), (201, 3179), (289, 2211), (561, 1139), (737, 867)]