28956123

素因数分解:

$3^5\times 7^1\times {\mathrm{29}}^1\times {\mathrm{587}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 51367680

約数和(自身を除く): 22411557

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 81, 87, 189, 203, 243, 261, 567, 587, 609, 783, 1701, 1761, 1827, 2349, 4109, 5283, 5481, 7047, 12327, 15849, 16443, 17023, 36981, 47547, 49329, 51069, 110943, 119161, 142641, 153207, 332829, 357483, 459621, 998487, 1072449, 1378863, 3217347, 4136589, 9652041, 28956123]

約数ペア:

[(1, 28956123), (3, 9652041), (7, 4136589), (9, 3217347), (21, 1378863), (27, 1072449), (29, 998487), (63, 459621), (81, 357483), (87, 332829), (189, 153207), (203, 142641), (243, 119161), (261, 110943), (567, 51069), (587, 49329), (609, 47547), (783, 36981), (1701, 17023), (1761, 16443), (1827, 15849), (2349, 12327), (4109, 7047), (5283, 5481)]