2019778875

素因数分解:

$3^3\times 5^3\times {\mathrm{359}}^1\times {\mathrm{1667}}^1$

素因数の和:2050

約数の個数: 64

約数和(自身を含む): 3746995200

約数和(自身を除く): 1727216325

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 359, 375, 675, 1077, 1125, 1667, 1795, 3231, 3375, 5001, 5385, 8335, 8975, 9693, 15003, 16155, 25005, 26925, 41675, 44875, 45009, 48465, 75015, 80775, 125025, 134625, 208375, 225045, 242325, 375075, 403875, 598453, 625125, 1125225, 1211625, 1795359, 1875375, 2992265, 5386077, 5626125, 8976795, 14961325, 16158231, 26930385, 44883975, 74806625, 80791155, 134651925, 224419875, 403955775, 673259625, 2019778875]

約数ペア:

[(1, 2019778875), (3, 673259625), (5, 403955775), (9, 224419875), (15, 134651925), (25, 80791155), (27, 74806625), (45, 44883975), (75, 26930385), (125, 16158231), (135, 14961325), (225, 8976795), (359, 5626125), (375, 5386077), (675, 2992265), (1077, 1875375), (1125, 1795359), (1667, 1211625), (1795, 1125225), (3231, 625125), (3375, 598453), (5001, 403875), (5385, 375075), (8335, 242325), (8975, 225045), (9693, 208375), (15003, 134625), (16155, 125025), (25005, 80775), (26925, 75015), (41675, 48465), (44875, 45009)]