28010883

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 42128640

約数和(自身を除く): 14117757

約数列:

[1, 3, 17, 19, 51, 57, 137, 211, 323, 411, 633, 969, 2329, 2603, 3587, 4009, 6987, 7809, 10761, 12027, 28907, 44251, 68153, 86721, 132753, 204459, 491419, 549233, 1474257, 1647699, 9336961, 28010883]

約数ペア:

[(1, 28010883), (3, 9336961), (17, 1647699), (19, 1474257), (51, 549233), (57, 491419), (137, 204459), (211, 132753), (323, 86721), (411, 68153), (633, 44251), (969, 28907), (2329, 12027), (2603, 10761), (3587, 7809), (4009, 6987)]