17891289

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5273}}^1$

素因数の和:5321

約数の個数: 24

約数和(自身を含む): 28796040

約数和(自身を除く): 10904751

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 261, 377, 1131, 3393, 5273, 15819, 47457, 68549, 152917, 205647, 458751, 616941, 1376253, 1987921, 5963763, 17891289]

約数ペア:

[(1, 17891289), (3, 5963763), (9, 1987921), (13, 1376253), (29, 616941), (39, 458751), (87, 205647), (117, 152917), (261, 68549), (377, 47457), (1131, 15819), (3393, 5273)]