168205821

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{347}}^1\times {\mathrm{563}}^1$

素因数の和:961

約数の個数: 32

約数和(自身を含む): 263789568

約数和(自身を除く): 95583747

約数列:

[1, 3, 7, 21, 41, 123, 287, 347, 563, 861, 1041, 1689, 2429, 3941, 7287, 11823, 14227, 23083, 42681, 69249, 99589, 161581, 195361, 298767, 484743, 586083, 1367527, 4102581, 8009801, 24029403, 56068607, 168205821]

約数ペア:

[(1, 168205821), (3, 56068607), (7, 24029403), (21, 8009801), (41, 4102581), (123, 1367527), (287, 586083), (347, 484743), (563, 298767), (861, 195361), (1041, 161581), (1689, 99589), (2429, 69249), (3941, 42681), (7287, 23083), (11823, 14227)]