87667725

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2371}}^1$

素因数の和:2430

約数の個数: 48

約数和(自身を含む): 158829120

約数和(自身を除く): 71161395

約数列:

[1, 3, 5, 15, 17, 25, 29, 51, 75, 85, 87, 145, 255, 425, 435, 493, 725, 1275, 1479, 2175, 2371, 2465, 7113, 7395, 11855, 12325, 35565, 36975, 40307, 59275, 68759, 120921, 177825, 201535, 206277, 343795, 604605, 1007675, 1031385, 1168903, 1718975, 3023025, 3506709, 5156925, 5844515, 17533545, 29222575, 87667725]

約数ペア:

[(1, 87667725), (3, 29222575), (5, 17533545), (15, 5844515), (17, 5156925), (25, 3506709), (29, 3023025), (51, 1718975), (75, 1168903), (85, 1031385), (87, 1007675), (145, 604605), (255, 343795), (425, 206277), (435, 201535), (493, 177825), (725, 120921), (1275, 68759), (1479, 59275), (2175, 40307), (2371, 36975), (2465, 35565), (7113, 12325), (7395, 11855)]