397647

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:159

約数の個数: 24

約数和(自身を含む): 640224

約数和(自身を除く): 242577

約数列:

[1, 3, 9, 17, 23, 51, 69, 113, 153, 207, 339, 391, 1017, 1173, 1921, 2599, 3519, 5763, 7797, 17289, 23391, 44183, 132549, 397647]

約数ペア:

[(1, 397647), (3, 132549), (9, 44183), (17, 23391), (23, 17289), (51, 7797), (69, 5763), (113, 3519), (153, 2599), (207, 1921), (339, 1173), (391, 1017)]