198384879

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1553}}^1$

素因数の和:1660

約数の個数: 48

約数和(自身を含む): 340139520

約数和(自身を除く): 141754641

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 79, 147, 231, 237, 539, 553, 869, 1553, 1617, 1659, 2607, 3871, 4659, 6083, 10871, 11613, 17083, 18249, 32613, 42581, 51249, 76097, 119581, 122687, 127743, 228291, 358743, 368061, 837067, 858809, 1349557, 2511201, 2576427, 4048671, 6011663, 9446899, 18034989, 28340697, 66128293, 198384879]

約数ペア:

[(1, 198384879), (3, 66128293), (7, 28340697), (11, 18034989), (21, 9446899), (33, 6011663), (49, 4048671), (77, 2576427), (79, 2511201), (147, 1349557), (231, 858809), (237, 837067), (539, 368061), (553, 358743), (869, 228291), (1553, 127743), (1617, 122687), (1659, 119581), (2607, 76097), (3871, 51249), (4659, 42581), (6083, 32613), (10871, 18249), (11613, 17083)]