15209901

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1901}}^1$

素因数の和:2041

約数の個数: 24

約数和(自身を含む): 25319424

約数和(自身を除く): 10109523

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 889, 1143, 1901, 2667, 5703, 8001, 13307, 17109, 39921, 119763, 241427, 724281, 1689989, 2172843, 5069967, 15209901]

約数ペア:

[(1, 15209901), (3, 5069967), (7, 2172843), (9, 1689989), (21, 724281), (63, 241427), (127, 119763), (381, 39921), (889, 17109), (1143, 13307), (1901, 8001), (2667, 5703)]