12860775

素因数分解:

$3^5\times 5^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:127

約数の個数: 72

約数和(自身を含む): 25050480

約数和(自身を除く): 12189705

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 73, 75, 81, 87, 135, 145, 219, 225, 243, 261, 365, 405, 435, 657, 675, 725, 783, 1095, 1215, 1305, 1825, 1971, 2025, 2117, 2175, 2349, 3285, 3915, 5475, 5913, 6075, 6351, 6525, 7047, 9855, 10585, 11745, 16425, 17739, 19053, 19575, 29565, 31755, 35235, 49275, 52925, 57159, 58725, 88695, 95265, 147825, 158775, 171477, 176175, 285795, 443475, 476325, 514431, 857385, 1428975, 2572155, 4286925, 12860775]

約数ペア:

[(1, 12860775), (3, 4286925), (5, 2572155), (9, 1428975), (15, 857385), (25, 514431), (27, 476325), (29, 443475), (45, 285795), (73, 176175), (75, 171477), (81, 158775), (87, 147825), (135, 95265), (145, 88695), (219, 58725), (225, 57159), (243, 52925), (261, 49275), (365, 35235), (405, 31755), (435, 29565), (657, 19575), (675, 19053), (725, 17739), (783, 16425), (1095, 11745), (1215, 10585), (1305, 9855), (1825, 7047), (1971, 6525), (2025, 6351), (2117, 6075), (2175, 5913), (2349, 5475), (3285, 3915)]