78990993

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{22447}}^1$

素因数の和:22493

約数の個数: 24

約数和(自身を含む): 126067968

約数和(自身を除く): 47076975

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 22447, 67341, 202023, 381599, 516281, 1144797, 1548843, 3434391, 4646529, 8776777, 26330331, 78990993]

約数ペア:

[(1, 78990993), (3, 26330331), (9, 8776777), (17, 4646529), (23, 3434391), (51, 1548843), (69, 1144797), (153, 516281), (207, 381599), (391, 202023), (1173, 67341), (3519, 22447)]