515637

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:129

約数の個数: 24

約数和(自身を含む): 808704

約数和(自身を除く): 293067

約数列:

[1, 3, 9, 23, 47, 53, 69, 141, 159, 207, 423, 477, 1081, 1219, 2491, 3243, 3657, 7473, 9729, 10971, 22419, 57293, 171879, 515637]

約数ペア:

[(1, 515637), (3, 171879), (9, 57293), (23, 22419), (47, 10971), (53, 9729), (69, 7473), (141, 3657), (159, 3243), (207, 2491), (423, 1219), (477, 1081)]