8521947

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 15238080

約数和(自身を除く): 6716133

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 73, 109, 119, 153, 219, 327, 357, 511, 657, 763, 981, 1071, 1241, 1533, 1853, 2289, 3723, 4599, 5559, 6867, 7957, 8687, 11169, 12971, 16677, 23871, 26061, 38913, 55699, 71613, 78183, 116739, 135269, 167097, 405807, 501291, 946883, 1217421, 2840649, 8521947]

約数ペア:

[(1, 8521947), (3, 2840649), (7, 1217421), (9, 946883), (17, 501291), (21, 405807), (51, 167097), (63, 135269), (73, 116739), (109, 78183), (119, 71613), (153, 55699), (219, 38913), (327, 26061), (357, 23871), (511, 16677), (657, 12971), (763, 11169), (981, 8687), (1071, 7957), (1241, 6867), (1533, 5559), (1853, 4599), (2289, 3723)]