25805241

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1619}}^1$

素因数の和:1666

約数の個数: 48

約数和(自身を含む): 48522240

約数和(自身を除く): 22716999

約数列:

[1, 3, 7, 9, 11, 21, 23, 33, 63, 69, 77, 99, 161, 207, 231, 253, 483, 693, 759, 1449, 1619, 1771, 2277, 4857, 5313, 11333, 14571, 15939, 17809, 33999, 37237, 53427, 101997, 111711, 124663, 160281, 260659, 335133, 373989, 409607, 781977, 1121967, 1228821, 2345931, 2867249, 3686463, 8601747, 25805241]

約数ペア:

[(1, 25805241), (3, 8601747), (7, 3686463), (9, 2867249), (11, 2345931), (21, 1228821), (23, 1121967), (33, 781977), (63, 409607), (69, 373989), (77, 335133), (99, 260659), (161, 160281), (207, 124663), (231, 111711), (253, 101997), (483, 53427), (693, 37237), (759, 33999), (1449, 17809), (1619, 15939), (1771, 14571), (2277, 11333), (4857, 5313)]