123389721

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{150659}}^1$

素因数の和:150685

約数の個数: 24

約数和(自身を含む): 219360960

約数和(自身を除く): 95971239

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 150659, 451977, 1054613, 1355931, 1958567, 3163839, 5875701, 9491517, 13709969, 17627103, 41129907, 123389721]

約数ペア:

[(1, 123389721), (3, 41129907), (7, 17627103), (9, 13709969), (13, 9491517), (21, 5875701), (39, 3163839), (63, 1958567), (91, 1355931), (117, 1054613), (273, 451977), (819, 150659)]