79206975

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:305

約数の個数: 72

約数和(自身を含む): 149916000

約数和(自身を除く): 70709025

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 61, 75, 87, 145, 183, 199, 225, 261, 305, 435, 549, 597, 725, 915, 995, 1305, 1525, 1769, 1791, 2175, 2745, 2985, 4575, 4975, 5307, 5771, 6525, 8845, 8955, 12139, 13725, 14925, 15921, 17313, 26535, 28855, 36417, 44225, 44775, 51939, 60695, 79605, 86565, 109251, 132675, 144275, 182085, 259695, 303475, 352031, 398025, 432825, 546255, 910425, 1056093, 1298475, 1760155, 2731275, 3168279, 5280465, 8800775, 15841395, 26402325, 79206975]

約数ペア:

[(1, 79206975), (3, 26402325), (5, 15841395), (9, 8800775), (15, 5280465), (25, 3168279), (29, 2731275), (45, 1760155), (61, 1298475), (75, 1056093), (87, 910425), (145, 546255), (183, 432825), (199, 398025), (225, 352031), (261, 303475), (305, 259695), (435, 182085), (549, 144275), (597, 132675), (725, 109251), (915, 86565), (995, 79605), (1305, 60695), (1525, 51939), (1769, 44775), (1791, 44225), (2175, 36417), (2745, 28855), (2985, 26535), (4575, 17313), (4975, 15921), (5307, 14925), (5771, 13725), (6525, 12139), (8845, 8955)]