28022169

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 46694400

約数和(自身を除く): 18672231

約数列:

[1, 3, 7, 19, 21, 49, 57, 79, 127, 133, 147, 237, 381, 399, 553, 889, 931, 1501, 1659, 2413, 2667, 2793, 3871, 4503, 6223, 7239, 10033, 10507, 11613, 16891, 18669, 30099, 31521, 50673, 70231, 73549, 118237, 190627, 210693, 220647, 354711, 491617, 571881, 1334389, 1474851, 4003167, 9340723, 28022169]

約数ペア:

[(1, 28022169), (3, 9340723), (7, 4003167), (19, 1474851), (21, 1334389), (49, 571881), (57, 491617), (79, 354711), (127, 220647), (133, 210693), (147, 190627), (237, 118237), (381, 73549), (399, 70231), (553, 50673), (889, 31521), (931, 30099), (1501, 18669), (1659, 16891), (2413, 11613), (2667, 10507), (2793, 10033), (3871, 7239), (4503, 6223)]