128528235

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2111}}^1$

素因数の和:2177

約数の個数: 64

約数和(自身を含む): 255467520

約数和(自身を除く): 126939285

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 41, 45, 55, 99, 123, 135, 165, 205, 297, 369, 451, 495, 615, 1107, 1353, 1485, 1845, 2111, 2255, 4059, 5535, 6333, 6765, 10555, 12177, 18999, 20295, 23221, 31665, 56997, 60885, 69663, 86551, 94995, 116105, 208989, 259653, 284985, 348315, 432755, 626967, 778959, 952061, 1044945, 1298265, 2336877, 2856183, 3134835, 3894795, 4760305, 8568549, 11684385, 14280915, 25705647, 42842745, 128528235]

約数ペア:

[(1, 128528235), (3, 42842745), (5, 25705647), (9, 14280915), (11, 11684385), (15, 8568549), (27, 4760305), (33, 3894795), (41, 3134835), (45, 2856183), (55, 2336877), (99, 1298265), (123, 1044945), (135, 952061), (165, 778959), (205, 626967), (297, 432755), (369, 348315), (451, 284985), (495, 259653), (615, 208989), (1107, 116105), (1353, 94995), (1485, 86551), (1845, 69663), (2111, 60885), (2255, 56997), (4059, 31665), (5535, 23221), (6333, 20295), (6765, 18999), (10555, 12177)]