650648457

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{119891}}^1$

素因数の和:119970

約数の個数: 20

約数和(自身を含む): 986471376

約数和(自身を除く): 335822919

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 5427, 119891, 359673, 1079019, 3237057, 8032697, 9711171, 24098091, 72294273, 216882819, 650648457]

約数ペア:

[(1, 650648457), (3, 216882819), (9, 72294273), (27, 24098091), (67, 9711171), (81, 8032697), (201, 3237057), (603, 1079019), (1809, 359673), (5427, 119891)]