1855431

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:271

約数の個数: 24

約数和(自身を含む): 2895984

約数和(自身を除く): 1040553

約数列:

[1, 3, 9, 17, 51, 67, 153, 181, 201, 543, 603, 1139, 1629, 3077, 3417, 9231, 10251, 12127, 27693, 36381, 109143, 206159, 618477, 1855431]

約数ペア:

[(1, 1855431), (3, 618477), (9, 206159), (17, 109143), (51, 36381), (67, 27693), (153, 12127), (181, 10251), (201, 9231), (543, 3417), (603, 3077), (1139, 1629)]