222789123

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{17519}}^1$

素因数の和:17688

約数の個数: 20

約数和(自身を含む): 334947360

約数和(自身を除く): 112158237

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 4239, 12717, 17519, 52557, 157671, 473013, 1419039, 2750483, 8251449, 24754347, 74263041, 222789123]

約数ペア:

[(1, 222789123), (3, 74263041), (9, 24754347), (27, 8251449), (81, 2750483), (157, 1419039), (471, 473013), (1413, 157671), (4239, 52557), (12717, 17519)]