208060245

素因数分解:

$3^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1$

素因数の和:438

約数の個数: 64

約数和(自身を含む): 382579200

約数和(自身を除く): 174518955

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 81, 135, 159, 243, 265, 359, 405, 477, 729, 795, 1077, 1215, 1431, 1795, 2187, 2385, 3231, 3645, 4293, 5385, 7155, 9693, 10935, 12879, 16155, 19027, 21465, 29079, 38637, 48465, 57081, 64395, 87237, 95135, 115911, 145395, 171243, 193185, 261711, 285405, 436185, 513729, 579555, 785133, 856215, 1308555, 1541187, 2568645, 3925665, 4623561, 7705935, 13870683, 23117805, 41612049, 69353415, 208060245]

約数ペア:

[(1, 208060245), (3, 69353415), (5, 41612049), (9, 23117805), (15, 13870683), (27, 7705935), (45, 4623561), (53, 3925665), (81, 2568645), (135, 1541187), (159, 1308555), (243, 856215), (265, 785133), (359, 579555), (405, 513729), (477, 436185), (729, 285405), (795, 261711), (1077, 193185), (1215, 171243), (1431, 145395), (1795, 115911), (2187, 95135), (2385, 87237), (3231, 64395), (3645, 57081), (4293, 48465), (5385, 38637), (7155, 29079), (9693, 21465), (10935, 19027), (12879, 16155)]