156789308781

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1\times {\mathrm{203843}}^1$

素因数の和:204306

約数の個数: 48

約数和(自身を含む): 268389164160

約数和(自身を除く): 111599855379

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 421, 609, 1263, 1827, 2947, 3789, 8841, 12209, 26523, 36627, 85463, 109881, 203843, 256389, 611529, 769167, 1426901, 1834587, 4280703, 5911447, 12842109, 17734341, 41380129, 53203023, 85817903, 124140387, 257453709, 372421161, 600725321, 772361127, 1802175963, 2488719187, 5406527889, 7466157561, 17421034309, 22398472683, 52263102927, 156789308781]

約数ペア:

[(1, 156789308781), (3, 52263102927), (7, 22398472683), (9, 17421034309), (21, 7466157561), (29, 5406527889), (63, 2488719187), (87, 1802175963), (203, 772361127), (261, 600725321), (421, 372421161), (609, 257453709), (1263, 124140387), (1827, 85817903), (2947, 53203023), (3789, 41380129), (8841, 17734341), (12209, 12842109), (26523, 5911447), (36627, 4280703), (85463, 1834587), (109881, 1426901), (203843, 769167), (256389, 611529)]