171901983

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{809}}^1$

素因数の和:1007

約数の個数: 32

約数和(自身を含む): 257541120

約数和(自身を除く): 85639137

約数列:

[1, 3, 11, 33, 47, 137, 141, 411, 517, 809, 1507, 1551, 2427, 4521, 6439, 8899, 19317, 26697, 38023, 70829, 110833, 114069, 212487, 332499, 418253, 1219163, 1254759, 3657489, 5209151, 15627453, 57300661, 171901983]

約数ペア:

[(1, 171901983), (3, 57300661), (11, 15627453), (33, 5209151), (47, 3657489), (137, 1254759), (141, 1219163), (411, 418253), (517, 332499), (809, 212487), (1507, 114069), (1551, 110833), (2427, 70829), (4521, 38023), (6439, 26697), (8899, 19317)]