220162887

素因数分解:

$3^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{10687}}^1$

素因数の和:10812

約数の個数: 32

約数和(自身を含む): 376217600

約数和(自身を除く): 156054713

約数列:

[1, 3, 7, 9, 21, 27, 63, 109, 189, 327, 763, 981, 2289, 2943, 6867, 10687, 20601, 32061, 74809, 96183, 224427, 288549, 673281, 1164883, 2019843, 3494649, 8154181, 10483947, 24462543, 31451841, 73387629, 220162887]

約数ペア:

[(1, 220162887), (3, 73387629), (7, 31451841), (9, 24462543), (21, 10483947), (27, 8154181), (63, 3494649), (109, 2019843), (189, 1164883), (327, 673281), (763, 288549), (981, 224427), (2289, 96183), (2943, 74809), (6867, 32061), (10687, 20601)]