268381917

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2029}}^1$

素因数の和:2135

約数の個数: 40

約数和(自身を含む): 424448640

約数和(自身を除く): 156066723

約数列:

[1, 3, 9, 23, 27, 69, 71, 81, 207, 213, 621, 639, 1633, 1863, 1917, 2029, 4899, 5751, 6087, 14697, 18261, 44091, 46667, 54783, 132273, 140001, 144059, 164349, 420003, 432177, 1260009, 1296531, 3313357, 3780027, 3889593, 9940071, 11668779, 29820213, 89460639, 268381917]

約数ペア:

[(1, 268381917), (3, 89460639), (9, 29820213), (23, 11668779), (27, 9940071), (69, 3889593), (71, 3780027), (81, 3313357), (207, 1296531), (213, 1260009), (621, 432177), (639, 420003), (1633, 164349), (1863, 144059), (1917, 140001), (2029, 132273), (4899, 54783), (5751, 46667), (6087, 44091), (14697, 18261)]