137280015

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:318

約数の個数: 80

約数和(自身を含む): 264287232

約数和(自身を除く): 127007217

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 127, 135, 153, 157, 255, 381, 405, 459, 471, 635, 765, 785, 1143, 1377, 1413, 1905, 2159, 2295, 2355, 2669, 3429, 4239, 5715, 6477, 6885, 7065, 8007, 10287, 10795, 12717, 13345, 17145, 19431, 19939, 21195, 24021, 32385, 40035, 51435, 58293, 59817, 63585, 72063, 97155, 99695, 120105, 174879, 179451, 216189, 291465, 299085, 338963, 360315, 538353, 874395, 897255, 1016889, 1080945, 1615059, 1694815, 2691765, 3050667, 5084445, 8075295, 9152001, 15253335, 27456003, 45760005, 137280015]

約数ペア:

[(1, 137280015), (3, 45760005), (5, 27456003), (9, 15253335), (15, 9152001), (17, 8075295), (27, 5084445), (45, 3050667), (51, 2691765), (81, 1694815), (85, 1615059), (127, 1080945), (135, 1016889), (153, 897255), (157, 874395), (255, 538353), (381, 360315), (405, 338963), (459, 299085), (471, 291465), (635, 216189), (765, 179451), (785, 174879), (1143, 120105), (1377, 99695), (1413, 97155), (1905, 72063), (2159, 63585), (2295, 59817), (2355, 58293), (2669, 51435), (3429, 40035), (4239, 32385), (5715, 24021), (6477, 21195), (6885, 19939), (7065, 19431), (8007, 17145), (10287, 13345), (10795, 12717)]