71232903

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 123002880

約数和(自身を除く): 51769977

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 127, 203, 261, 307, 381, 609, 889, 921, 1143, 1827, 2149, 2667, 2763, 3683, 6447, 8001, 8903, 11049, 19341, 25781, 26709, 33147, 38989, 62321, 77343, 80127, 116967, 186963, 232029, 272923, 350901, 560889, 818769, 1130681, 2456307, 3392043, 7914767, 10176129, 23744301, 71232903]

約数ペア:

[(1, 71232903), (3, 23744301), (7, 10176129), (9, 7914767), (21, 3392043), (29, 2456307), (63, 1130681), (87, 818769), (127, 560889), (203, 350901), (261, 272923), (307, 232029), (381, 186963), (609, 116967), (889, 80127), (921, 77343), (1143, 62321), (1827, 38989), (2149, 33147), (2667, 26709), (2763, 25781), (3683, 19341), (6447, 11049), (8001, 8903)]