220147473

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{1871}}^1$

素因数の和:2325

約数の個数: 32

約数和(自身を含む): 362299392

約数和(自身を除く): 142151919

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 431, 1293, 1871, 3017, 5603, 5613, 9051, 13097, 16809, 24323, 39221, 39291, 72969, 117663, 170261, 510783, 806401, 2419203, 5644807, 10483213, 16934421, 31449639, 73382491, 220147473]

約数ペア:

[(1, 220147473), (3, 73382491), (7, 31449639), (13, 16934421), (21, 10483213), (39, 5644807), (91, 2419203), (273, 806401), (431, 510783), (1293, 170261), (1871, 117663), (3017, 72969), (5603, 39291), (5613, 39221), (9051, 24323), (13097, 16809)]