87072687

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 150733440

約数和(自身を除く): 63660753

約数列:

[1, 3, 9, 13, 19, 23, 39, 57, 69, 117, 131, 169, 171, 207, 247, 299, 393, 437, 507, 741, 897, 1179, 1311, 1521, 1703, 2223, 2489, 2691, 3013, 3211, 3887, 3933, 5109, 5681, 7467, 9039, 9633, 11661, 15327, 17043, 22139, 22401, 27117, 28899, 32357, 34983, 39169, 51129, 57247, 66417, 73853, 97071, 117507, 171741, 199251, 221559, 291213, 352521, 420641, 509197, 515223, 664677, 744211, 1261923, 1527591, 2232633, 3785769, 4582773, 6697899, 9674743, 29024229, 87072687]

約数ペア:

[(1, 87072687), (3, 29024229), (9, 9674743), (13, 6697899), (19, 4582773), (23, 3785769), (39, 2232633), (57, 1527591), (69, 1261923), (117, 744211), (131, 664677), (169, 515223), (171, 509197), (207, 420641), (247, 352521), (299, 291213), (393, 221559), (437, 199251), (507, 171741), (741, 117507), (897, 97071), (1179, 73853), (1311, 66417), (1521, 57247), (1703, 51129), (2223, 39169), (2489, 34983), (2691, 32357), (3013, 28899), (3211, 27117), (3887, 22401), (3933, 22139), (5109, 17043), (5681, 15327), (7467, 11661), (9039, 9633)]