81102715

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 105670656

約数和(自身を除く): 24567941

約数列:

[1, 5, 23, 41, 103, 115, 167, 205, 515, 835, 943, 2369, 3841, 4223, 4715, 6847, 11845, 17201, 19205, 21115, 34235, 86005, 97129, 157481, 395623, 485645, 705241, 787405, 1978115, 3526205, 16220543, 81102715]

約数ペア:

[(1, 81102715), (5, 16220543), (23, 3526205), (41, 1978115), (103, 787405), (115, 705241), (167, 485645), (205, 395623), (515, 157481), (835, 97129), (943, 86005), (2369, 34235), (3841, 21115), (4223, 19205), (4715, 17201), (6847, 11845)]