25310817

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^2\times {\mathrm{239}}^1$

素因数の和:334

約数の個数: 36

約数和(自身を含む): 43006080

約数和(自身を除く): 17695263

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 239, 287, 369, 717, 861, 1673, 1681, 2151, 2583, 5019, 5043, 9799, 11767, 15057, 15129, 29397, 35301, 68593, 88191, 105903, 205779, 401759, 617337, 1205277, 2812313, 3615831, 8436939, 25310817]

約数ペア:

[(1, 25310817), (3, 8436939), (7, 3615831), (9, 2812313), (21, 1205277), (41, 617337), (63, 401759), (123, 205779), (239, 105903), (287, 88191), (369, 68593), (717, 35301), (861, 29397), (1673, 15129), (1681, 15057), (2151, 11767), (2583, 9799), (5019, 5043)]