28865295

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 54345600

約数和(自身を除く): 25480305

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 73, 87, 101, 135, 145, 219, 261, 303, 365, 435, 505, 657, 783, 909, 1095, 1305, 1515, 1971, 2117, 2727, 2929, 3285, 3915, 4545, 6351, 7373, 8787, 9855, 10585, 13635, 14645, 19053, 22119, 26361, 31755, 36865, 43935, 57159, 66357, 79083, 95265, 110595, 131805, 199071, 213817, 285795, 331785, 395415, 641451, 995355, 1069085, 1924353, 3207255, 5773059, 9621765, 28865295]

約数ペア:

[(1, 28865295), (3, 9621765), (5, 5773059), (9, 3207255), (15, 1924353), (27, 1069085), (29, 995355), (45, 641451), (73, 395415), (87, 331785), (101, 285795), (135, 213817), (145, 199071), (219, 131805), (261, 110595), (303, 95265), (365, 79083), (435, 66357), (505, 57159), (657, 43935), (783, 36865), (909, 31755), (1095, 26361), (1305, 22119), (1515, 19053), (1971, 14645), (2117, 13635), (2727, 10585), (2929, 9855), (3285, 8787), (3915, 7373), (4545, 6351)]