220309686

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{177383}}^1$

素因数の和:177417

約数の個数: 32

約数和(自身を含む): 510865920

約数和(自身を除く): 290556234

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1242, 177383, 354766, 532149, 1064298, 1596447, 3192894, 4079809, 4789341, 8159618, 9578682, 12239427, 24478854, 36718281, 73436562, 110154843, 220309686]

約数ペア:

[(1, 220309686), (2, 110154843), (3, 73436562), (6, 36718281), (9, 24478854), (18, 12239427), (23, 9578682), (27, 8159618), (46, 4789341), (54, 4079809), (69, 3192894), (138, 1596447), (207, 1064298), (414, 532149), (621, 354766), (1242, 177383)]