201749121

素因数分解:

$3^2\times 7^2\times {\mathrm{311}}^1\times {\mathrm{1471}}^1$

素因数の和:1802

約数の個数: 36

約数和(自身を含む): 340314624

約数和(自身を除く): 138565503

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 311, 441, 933, 1471, 2177, 2799, 4413, 6531, 10297, 13239, 15239, 19593, 30891, 45717, 72079, 92673, 137151, 216237, 457481, 648711, 1372443, 3202367, 4117329, 9607101, 22416569, 28821303, 67249707, 201749121]

約数ペア:

[(1, 201749121), (3, 67249707), (7, 28821303), (9, 22416569), (21, 9607101), (49, 4117329), (63, 3202367), (147, 1372443), (311, 648711), (441, 457481), (933, 216237), (1471, 137151), (2177, 92673), (2799, 72079), (4413, 45717), (6531, 30891), (10297, 19593), (13239, 15239)]