27811575

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1$

素因数の和:705

約数の個数: 72

約数和(自身を含む): 57625776

約数和(自身を除く): 29814201

約数列:

[1, 3, 5, 9, 11, 15, 17, 25, 33, 45, 51, 55, 75, 85, 99, 153, 165, 187, 225, 255, 275, 425, 495, 561, 661, 765, 825, 935, 1275, 1683, 1983, 2475, 2805, 3305, 3825, 4675, 5949, 7271, 8415, 9915, 11237, 14025, 16525, 21813, 29745, 33711, 36355, 42075, 49575, 56185, 65439, 101133, 109065, 123607, 148725, 168555, 181775, 280925, 327195, 370821, 505665, 545325, 618035, 842775, 1112463, 1635975, 1854105, 2528325, 3090175, 5562315, 9270525, 27811575]

約数ペア:

[(1, 27811575), (3, 9270525), (5, 5562315), (9, 3090175), (11, 2528325), (15, 1854105), (17, 1635975), (25, 1112463), (33, 842775), (45, 618035), (51, 545325), (55, 505665), (75, 370821), (85, 327195), (99, 280925), (153, 181775), (165, 168555), (187, 148725), (225, 123607), (255, 109065), (275, 101133), (425, 65439), (495, 56185), (561, 49575), (661, 42075), (765, 36355), (825, 33711), (935, 29745), (1275, 21813), (1683, 16525), (1983, 14025), (2475, 11237), (2805, 9915), (3305, 8415), (3825, 7271), (4675, 5949)]