1811079

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:301

約数の個数: 24

約数和(自身を含む): 2817360

約数和(自身を除く): 1006281

約数列:

[1, 3, 9, 27, 29, 81, 87, 243, 257, 261, 771, 783, 2313, 2349, 6939, 7047, 7453, 20817, 22359, 62451, 67077, 201231, 603693, 1811079]

約数ペア:

[(1, 1811079), (3, 603693), (9, 201231), (27, 67077), (29, 62451), (81, 22359), (87, 20817), (243, 7453), (257, 7047), (261, 6939), (771, 2349), (783, 2313)]