87651915

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:368

約数の個数: 64

約数和(自身を含む): 161917056

約数和(自身を除く): 74265141

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 137, 193, 195, 221, 255, 411, 579, 663, 685, 965, 1105, 1781, 2055, 2329, 2509, 2895, 3281, 3315, 5343, 6987, 7527, 8905, 9843, 11645, 12545, 16405, 26441, 26715, 30277, 34935, 37635, 42653, 49215, 79323, 90831, 127959, 132205, 151385, 213265, 343733, 396615, 449497, 454155, 639795, 1031199, 1348491, 1718665, 2247485, 5155995, 5843461, 6742455, 17530383, 29217305, 87651915]

約数ペア:

[(1, 87651915), (3, 29217305), (5, 17530383), (13, 6742455), (15, 5843461), (17, 5155995), (39, 2247485), (51, 1718665), (65, 1348491), (85, 1031199), (137, 639795), (193, 454155), (195, 449497), (221, 396615), (255, 343733), (411, 213265), (579, 151385), (663, 132205), (685, 127959), (965, 90831), (1105, 79323), (1781, 49215), (2055, 42653), (2329, 37635), (2509, 34935), (2895, 30277), (3281, 26715), (3315, 26441), (5343, 16405), (6987, 12545), (7527, 11645), (8905, 9843)]