204172815

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4111}}^1$

素因数の和:4180

約数の個数: 64

約数和(自身を含む): 416858112

約数和(自身を除く): 212685297

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 43, 55, 77, 105, 129, 165, 215, 231, 301, 385, 473, 645, 903, 1155, 1419, 1505, 2365, 3311, 4111, 4515, 7095, 9933, 12333, 16555, 20555, 28777, 45221, 49665, 61665, 86331, 135663, 143885, 176773, 226105, 316547, 431655, 530319, 678315, 883865, 949641, 1237411, 1582735, 1944503, 2651595, 3712233, 4748205, 5833509, 6187055, 9722515, 13611521, 18561165, 29167545, 40834563, 68057605, 204172815]

約数ペア:

[(1, 204172815), (3, 68057605), (5, 40834563), (7, 29167545), (11, 18561165), (15, 13611521), (21, 9722515), (33, 6187055), (35, 5833509), (43, 4748205), (55, 3712233), (77, 2651595), (105, 1944503), (129, 1582735), (165, 1237411), (215, 949641), (231, 883865), (301, 678315), (385, 530319), (473, 431655), (645, 316547), (903, 226105), (1155, 176773), (1419, 143885), (1505, 135663), (2365, 86331), (3311, 61665), (4111, 49665), (4515, 45221), (7095, 28777), (9933, 20555), (12333, 16555)]