281036709

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{661}}^1$

素因数の和:883

約数の個数: 40

約数和(自身を含む): 437356920

約数和(自身を除く): 156320211

約数列:

[1, 3, 9, 27, 29, 81, 87, 181, 261, 543, 661, 783, 1629, 1983, 2349, 4887, 5249, 5949, 14661, 15747, 17847, 19169, 47241, 53541, 57507, 119641, 141723, 172521, 358923, 425169, 517563, 1076769, 1552689, 3230307, 3469589, 9690921, 10408767, 31226301, 93678903, 281036709]

約数ペア:

[(1, 281036709), (3, 93678903), (9, 31226301), (27, 10408767), (29, 9690921), (81, 3469589), (87, 3230307), (181, 1552689), (261, 1076769), (543, 517563), (661, 425169), (783, 358923), (1629, 172521), (1983, 141723), (2349, 119641), (4887, 57507), (5249, 53541), (5949, 47241), (14661, 19169), (15747, 17847)]