25499295

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 46904832

約数和(自身を除く): 21405537

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 71, 115, 207, 213, 345, 347, 355, 639, 1035, 1041, 1065, 1633, 1735, 3123, 3195, 4899, 5205, 7981, 8165, 14697, 15615, 23943, 24495, 24637, 39905, 71829, 73485, 73911, 119715, 123185, 221733, 359145, 369555, 566651, 1108665, 1699953, 2833255, 5099859, 8499765, 25499295]

約数ペア:

[(1, 25499295), (3, 8499765), (5, 5099859), (9, 2833255), (15, 1699953), (23, 1108665), (45, 566651), (69, 369555), (71, 359145), (115, 221733), (207, 123185), (213, 119715), (345, 73911), (347, 73485), (355, 71829), (639, 39905), (1035, 24637), (1041, 24495), (1065, 23943), (1633, 15615), (1735, 14697), (3123, 8165), (3195, 7981), (4899, 5205)]