15665576997

素因数分解:

$3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1103}}^1\times {\mathrm{1223}}^1$

素因数の和:2422

約数の個数: 48

約数和(自身を含む): 24647639040

約数和(自身を除く): 8982062043

約数列:

[1, 3, 7, 21, 49, 79, 147, 237, 553, 1103, 1223, 1659, 3309, 3669, 3871, 7721, 8561, 11613, 23163, 25683, 54047, 59927, 87137, 96617, 162141, 179781, 261411, 289851, 609959, 676319, 1348969, 1829877, 2028957, 4046907, 4269713, 4734233, 9442783, 12809139, 14202699, 28328349, 66099481, 106568551, 198298443, 319705653, 745979857, 2237939571, 5221858999, 15665576997]

約数ペア:

[(1, 15665576997), (3, 5221858999), (7, 2237939571), (21, 745979857), (49, 319705653), (79, 198298443), (147, 106568551), (237, 66099481), (553, 28328349), (1103, 14202699), (1223, 12809139), (1659, 9442783), (3309, 4734233), (3669, 4269713), (3871, 4046907), (7721, 2028957), (8561, 1829877), (11613, 1348969), (23163, 676319), (25683, 609959), (54047, 289851), (59927, 261411), (87137, 179781), (96617, 162141)]