201857607

素因数分解:

$3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:285

約数の個数: 72

約数和(自身を含む): 354790800

約数和(自身を除く): 152933193

約数列:

[1, 3, 7, 9, 21, 37, 49, 63, 89, 111, 139, 147, 259, 267, 333, 417, 441, 623, 777, 801, 973, 1251, 1813, 1869, 2331, 2919, 3293, 4361, 5143, 5439, 5607, 6811, 8757, 9879, 12371, 13083, 15429, 16317, 20433, 23051, 29637, 36001, 37113, 39249, 46287, 61299, 69153, 86597, 108003, 111339, 161357, 207459, 252007, 259791, 324009, 457727, 484071, 606179, 756021, 779373, 1373181, 1452213, 1818537, 2268063, 3204089, 4119543, 5455611, 9612267, 22428623, 28836801, 67285869, 201857607]

約数ペア:

[(1, 201857607), (3, 67285869), (7, 28836801), (9, 22428623), (21, 9612267), (37, 5455611), (49, 4119543), (63, 3204089), (89, 2268063), (111, 1818537), (139, 1452213), (147, 1373181), (259, 779373), (267, 756021), (333, 606179), (417, 484071), (441, 457727), (623, 324009), (777, 259791), (801, 252007), (973, 207459), (1251, 161357), (1813, 111339), (1869, 108003), (2331, 86597), (2919, 69153), (3293, 61299), (4361, 46287), (5143, 39249), (5439, 37113), (5607, 36001), (6811, 29637), (8757, 23051), (9879, 20433), (12371, 16317), (13083, 15429)]