68831997

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 108928512

約数和(自身を除く): 40096515

約数列:

[1, 3, 13, 17, 31, 39, 51, 93, 197, 221, 289, 403, 527, 591, 663, 867, 1209, 1581, 2561, 3349, 3757, 6107, 6851, 7683, 8959, 10047, 11271, 18321, 20553, 26877, 43537, 56933, 79391, 103819, 116467, 130611, 170799, 238173, 311457, 349401, 740129, 1349647, 1764923, 2220387, 4048941, 5294769, 22943999, 68831997]

約数ペア:

[(1, 68831997), (3, 22943999), (13, 5294769), (17, 4048941), (31, 2220387), (39, 1764923), (51, 1349647), (93, 740129), (197, 349401), (221, 311457), (289, 238173), (403, 170799), (527, 130611), (591, 116467), (663, 103819), (867, 79391), (1209, 56933), (1581, 43537), (2561, 26877), (3349, 20553), (3757, 18321), (6107, 11271), (6851, 10047), (7683, 8959)]