18507075

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 32378880

約数和(自身を除く): 13871805

約数列:

[1, 3, 5, 15, 25, 29, 67, 75, 87, 127, 145, 201, 335, 381, 435, 635, 725, 1005, 1675, 1905, 1943, 2175, 3175, 3683, 5025, 5829, 8509, 9525, 9715, 11049, 18415, 25527, 29145, 42545, 48575, 55245, 92075, 127635, 145725, 212725, 246761, 276225, 638175, 740283, 1233805, 3701415, 6169025, 18507075]

約数ペア:

[(1, 18507075), (3, 6169025), (5, 3701415), (15, 1233805), (25, 740283), (29, 638175), (67, 276225), (75, 246761), (87, 212725), (127, 145725), (145, 127635), (201, 92075), (335, 55245), (381, 48575), (435, 42545), (635, 29145), (725, 25527), (1005, 18415), (1675, 11049), (1905, 9715), (1943, 9525), (2175, 8509), (3175, 5829), (3683, 5025)]