25357353

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 42517440

約数和(自身を除く): 17160087

約数列:

[1, 3, 7, 17, 21, 49, 51, 73, 119, 139, 147, 219, 357, 417, 511, 833, 973, 1241, 1533, 2363, 2499, 2919, 3577, 3723, 6811, 7089, 8687, 10147, 10731, 16541, 20433, 26061, 30441, 49623, 60809, 71029, 115787, 172499, 182427, 213087, 347361, 497203, 517497, 1207493, 1491609, 3622479, 8452451, 25357353]

約数ペア:

[(1, 25357353), (3, 8452451), (7, 3622479), (17, 1491609), (21, 1207493), (49, 517497), (51, 497203), (73, 347361), (119, 213087), (139, 182427), (147, 172499), (219, 115787), (357, 71029), (417, 60809), (511, 49623), (833, 30441), (973, 26061), (1241, 20433), (1533, 16541), (2363, 10731), (2499, 10147), (2919, 8687), (3577, 7089), (3723, 6811)]