15261883

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:156

約数の個数: 36

約数和(自身を含む): 20444760

約数和(自身を除く): 5182877

約数列:

[1, 7, 13, 19, 49, 91, 97, 133, 169, 247, 637, 679, 931, 1183, 1261, 1729, 1843, 3211, 4753, 8281, 8827, 12103, 12901, 16393, 22477, 23959, 61789, 90307, 114751, 157339, 167713, 311467, 803257, 1173991, 2180269, 15261883]

約数ペア:

[(1, 15261883), (7, 2180269), (13, 1173991), (19, 803257), (49, 311467), (91, 167713), (97, 157339), (133, 114751), (169, 90307), (247, 61789), (637, 23959), (679, 22477), (931, 16393), (1183, 12901), (1261, 12103), (1729, 8827), (1843, 8281), (3211, 4753)]