25502883

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 43557120

約数和(自身を除く): 18054237

約数列:

[1, 3, 7, 19, 21, 23, 49, 57, 69, 133, 147, 161, 397, 399, 437, 483, 931, 1127, 1191, 1311, 2779, 2793, 3059, 3381, 7543, 8337, 9131, 9177, 19453, 21413, 22629, 27393, 52801, 58359, 63917, 64239, 158403, 173489, 191751, 369607, 447419, 520467, 1108821, 1214423, 1342257, 3643269, 8500961, 25502883]

約数ペア:

[(1, 25502883), (3, 8500961), (7, 3643269), (19, 1342257), (21, 1214423), (23, 1108821), (49, 520467), (57, 447419), (69, 369607), (133, 191751), (147, 173489), (161, 158403), (397, 64239), (399, 63917), (437, 58359), (483, 52801), (931, 27393), (1127, 22629), (1191, 21413), (1311, 19453), (2779, 9177), (2793, 9131), (3059, 8337), (3381, 7543)]