253390023

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1381}}^1$

素因数の和:1472

約数の個数: 48

約数和(自身を含む): 409624800

約数和(自身を除く): 156234777

約数列:

[1, 3, 9, 19, 29, 37, 57, 87, 111, 171, 261, 333, 551, 703, 1073, 1381, 1653, 2109, 3219, 4143, 4959, 6327, 9657, 12429, 20387, 26239, 40049, 51097, 61161, 78717, 120147, 153291, 183483, 236151, 360441, 459873, 760931, 970843, 1481813, 2282793, 2912529, 4445439, 6848379, 8737587, 13336317, 28154447, 84463341, 253390023]

約数ペア:

[(1, 253390023), (3, 84463341), (9, 28154447), (19, 13336317), (29, 8737587), (37, 6848379), (57, 4445439), (87, 2912529), (111, 2282793), (171, 1481813), (261, 970843), (333, 760931), (551, 459873), (703, 360441), (1073, 236151), (1381, 183483), (1653, 153291), (2109, 120147), (3219, 78717), (4143, 61161), (4959, 51097), (6327, 40049), (9657, 26239), (12429, 20387)]