87191487

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 141467040

約数和(自身を除く): 54275553

約数列:

[1, 3, 9, 17, 29, 43, 51, 87, 129, 153, 261, 387, 457, 493, 731, 1247, 1371, 1479, 2193, 3741, 4113, 4437, 6579, 7769, 11223, 13253, 19651, 21199, 23307, 39759, 58953, 63597, 69921, 119277, 176859, 190791, 225301, 334067, 569879, 675903, 1002201, 1709637, 2027709, 3006603, 5128911, 9687943, 29063829, 87191487]

約数ペア:

[(1, 87191487), (3, 29063829), (9, 9687943), (17, 5128911), (29, 3006603), (43, 2027709), (51, 1709637), (87, 1002201), (129, 675903), (153, 569879), (261, 334067), (387, 225301), (457, 190791), (493, 176859), (731, 119277), (1247, 69921), (1371, 63597), (1479, 58953), (2193, 39759), (3741, 23307), (4113, 21199), (4437, 19651), (6579, 13253), (7769, 11223)]