205657605

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{4621}}^1$

素因数の和:4698

約数の個数: 48

約数和(自身を含む): 380704896

約数和(自身を除く): 175047291

約数列:

[1, 3, 5, 9, 15, 23, 43, 45, 69, 115, 129, 207, 215, 345, 387, 645, 989, 1035, 1935, 2967, 4621, 4945, 8901, 13863, 14835, 23105, 41589, 44505, 69315, 106283, 198703, 207945, 318849, 531415, 596109, 956547, 993515, 1594245, 1788327, 2980545, 4570169, 4782735, 8941635, 13710507, 22850845, 41131521, 68552535, 205657605]

約数ペア:

[(1, 205657605), (3, 68552535), (5, 41131521), (9, 22850845), (15, 13710507), (23, 8941635), (43, 4782735), (45, 4570169), (69, 2980545), (115, 1788327), (129, 1594245), (207, 993515), (215, 956547), (345, 596109), (387, 531415), (645, 318849), (989, 207945), (1035, 198703), (1935, 106283), (2967, 69315), (4621, 44505), (4945, 41589), (8901, 23105), (13863, 14835)]