64216125

素因数分解:

$3^3\times 5^3\times {\mathrm{53}}^1\times {\mathrm{359}}^1$

素因数の和:436

約数の個数: 64

約数和(自身を含む): 121305600

約数和(自身を除く): 57089475

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 53, 75, 125, 135, 159, 225, 265, 359, 375, 477, 675, 795, 1077, 1125, 1325, 1431, 1795, 2385, 3231, 3375, 3975, 5385, 6625, 7155, 8975, 9693, 11925, 16155, 19027, 19875, 26925, 35775, 44875, 48465, 57081, 59625, 80775, 95135, 134625, 171243, 178875, 242325, 285405, 403875, 475675, 513729, 856215, 1211625, 1427025, 2378375, 2568645, 4281075, 7135125, 12843225, 21405375, 64216125]

約数ペア:

[(1, 64216125), (3, 21405375), (5, 12843225), (9, 7135125), (15, 4281075), (25, 2568645), (27, 2378375), (45, 1427025), (53, 1211625), (75, 856215), (125, 513729), (135, 475675), (159, 403875), (225, 285405), (265, 242325), (359, 178875), (375, 171243), (477, 134625), (675, 95135), (795, 80775), (1077, 59625), (1125, 57081), (1325, 48465), (1431, 44875), (1795, 35775), (2385, 26925), (3231, 19875), (3375, 19027), (3975, 16155), (5385, 11925), (6625, 9693), (7155, 8975)]