25605279

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 45287424

約数和(自身を除く): 19682145

約数列:

[1, 3, 7, 9, 21, 23, 41, 63, 69, 123, 161, 207, 287, 369, 431, 483, 861, 943, 1293, 1449, 2583, 2829, 3017, 3879, 6601, 8487, 9051, 9913, 17671, 19803, 27153, 29739, 53013, 59409, 69391, 89217, 123697, 159039, 208173, 371091, 406433, 624519, 1113273, 1219299, 2845031, 3657897, 8535093, 25605279]

約数ペア:

[(1, 25605279), (3, 8535093), (7, 3657897), (9, 2845031), (21, 1219299), (23, 1113273), (41, 624519), (63, 406433), (69, 371091), (123, 208173), (161, 159039), (207, 123697), (287, 89217), (369, 69391), (431, 59409), (483, 53013), (861, 29739), (943, 27153), (1293, 19803), (1449, 17671), (2583, 9913), (2829, 9051), (3017, 8487), (3879, 6601)]