220738401

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{971}}^1$

素因数の和:1086

約数の個数: 48

約数和(自身を含む): 360884160

約数和(自身を除く): 140145759

約数列:

[1, 3, 9, 13, 29, 39, 67, 87, 117, 201, 261, 377, 603, 871, 971, 1131, 1943, 2613, 2913, 3393, 5829, 7839, 8739, 12623, 17487, 25259, 28159, 37869, 65057, 75777, 84477, 113607, 195171, 227331, 253431, 366067, 585513, 845741, 1098201, 1886653, 2537223, 3294603, 5659959, 7611669, 16979877, 24526489, 73579467, 220738401]

約数ペア:

[(1, 220738401), (3, 73579467), (9, 24526489), (13, 16979877), (29, 7611669), (39, 5659959), (67, 3294603), (87, 2537223), (117, 1886653), (201, 1098201), (261, 845741), (377, 585513), (603, 366067), (871, 253431), (971, 227331), (1131, 195171), (1943, 113607), (2613, 84477), (2913, 75777), (3393, 65057), (5829, 37869), (7839, 28159), (8739, 25259), (12623, 17487)]