71318775

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{631}}^1$

素因数の和:792

約数の個数: 48

約数和(自身を含む): 129777408

約数和(自身を除く): 58458633

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 137, 165, 275, 411, 631, 685, 825, 1507, 1893, 2055, 3155, 3425, 4521, 6941, 7535, 9465, 10275, 15775, 20823, 22605, 34705, 37675, 47325, 86447, 104115, 113025, 173525, 259341, 432235, 520575, 950917, 1296705, 2161175, 2852751, 4754585, 6483525, 14263755, 23772925, 71318775]

約数ペア:

[(1, 71318775), (3, 23772925), (5, 14263755), (11, 6483525), (15, 4754585), (25, 2852751), (33, 2161175), (55, 1296705), (75, 950917), (137, 520575), (165, 432235), (275, 259341), (411, 173525), (631, 113025), (685, 104115), (825, 86447), (1507, 47325), (1893, 37675), (2055, 34705), (3155, 22605), (3425, 20823), (4521, 15775), (6941, 10275), (7535, 9465)]