201911577

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{1303}}^1$

素因数の和:1517

約数の個数: 32

約数和(自身を含む): 316465152

約数和(自身を除く): 114553575

約数列:

[1, 3, 7, 21, 47, 141, 157, 329, 471, 987, 1099, 1303, 3297, 3909, 7379, 9121, 22137, 27363, 51653, 61241, 154959, 183723, 204571, 428687, 613713, 1286061, 1431997, 4295991, 9614837, 28844511, 67303859, 201911577]

約数ペア:

[(1, 201911577), (3, 67303859), (7, 28844511), (21, 9614837), (47, 4295991), (141, 1431997), (157, 1286061), (329, 613713), (471, 428687), (987, 204571), (1099, 183723), (1303, 154959), (3297, 61241), (3909, 51653), (7379, 27363), (9121, 22137)]