25515243

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 42378336

約数和(自身を除く): 16863093

約数列:

[1, 3, 9, 13, 27, 39, 41, 81, 117, 123, 197, 243, 351, 369, 533, 591, 1053, 1107, 1599, 1773, 2561, 3159, 3321, 4797, 5319, 7683, 8077, 9963, 14391, 15957, 23049, 24231, 43173, 47871, 69147, 72693, 105001, 129519, 207441, 218079, 315003, 622323, 654237, 945009, 1962711, 2835027, 8505081, 25515243]

約数ペア:

[(1, 25515243), (3, 8505081), (9, 2835027), (13, 1962711), (27, 945009), (39, 654237), (41, 622323), (81, 315003), (117, 218079), (123, 207441), (197, 129519), (243, 105001), (351, 72693), (369, 69147), (533, 47871), (591, 43173), (1053, 24231), (1107, 23049), (1599, 15957), (1773, 14391), (2561, 9963), (3159, 8077), (3321, 7683), (4797, 5319)]