89181915

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1$

素因数の和:356

約数の個数: 64

約数和(自身を含む): 161740800

約数和(自身を除く): 72558885

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 79, 85, 95, 233, 237, 255, 285, 323, 395, 699, 969, 1165, 1185, 1343, 1501, 1615, 3495, 3961, 4029, 4427, 4503, 4845, 6715, 7505, 11883, 13281, 18407, 19805, 20145, 22135, 22515, 25517, 55221, 59415, 66405, 75259, 76551, 92035, 127585, 225777, 276105, 312919, 349733, 376295, 382755, 938757, 1049199, 1128885, 1564595, 1748665, 4693785, 5245995, 5945461, 17836383, 29727305, 89181915]

約数ペア:

[(1, 89181915), (3, 29727305), (5, 17836383), (15, 5945461), (17, 5245995), (19, 4693785), (51, 1748665), (57, 1564595), (79, 1128885), (85, 1049199), (95, 938757), (233, 382755), (237, 376295), (255, 349733), (285, 312919), (323, 276105), (395, 225777), (699, 127585), (969, 92035), (1165, 76551), (1185, 75259), (1343, 66405), (1501, 59415), (1615, 55221), (3495, 25517), (3961, 22515), (4029, 22135), (4427, 20145), (4503, 19805), (4845, 18407), (6715, 13281), (7505, 11883)]