18030825

素因数分解:

$3^2\times 5^2\times {\mathrm{127}}^1\times {\mathrm{631}}^1$

素因数の和:774

約数の個数: 36

約数和(自身を含む): 32601088

約数和(自身を除く): 14570263

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 127, 225, 381, 631, 635, 1143, 1893, 1905, 3155, 3175, 5679, 5715, 9465, 9525, 15775, 28395, 28575, 47325, 80137, 141975, 240411, 400685, 721233, 1202055, 2003425, 3606165, 6010275, 18030825]

約数ペア:

[(1, 18030825), (3, 6010275), (5, 3606165), (9, 2003425), (15, 1202055), (25, 721233), (45, 400685), (75, 240411), (127, 141975), (225, 80137), (381, 47325), (631, 28575), (635, 28395), (1143, 15775), (1893, 9525), (1905, 9465), (3155, 5715), (3175, 5679)]