28324155

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 51840000

約数和(自身を除く): 23515845

約数列:

[1, 3, 5, 15, 19, 23, 29, 57, 69, 87, 95, 115, 145, 149, 285, 345, 435, 437, 447, 551, 667, 745, 1311, 1653, 2001, 2185, 2235, 2755, 2831, 3335, 3427, 4321, 6555, 8265, 8493, 10005, 10281, 12673, 12963, 14155, 17135, 21605, 38019, 42465, 51405, 63365, 64815, 65113, 82099, 99383, 190095, 195339, 246297, 298149, 325565, 410495, 496915, 976695, 1231485, 1490745, 1888277, 5664831, 9441385, 28324155]

約数ペア:

[(1, 28324155), (3, 9441385), (5, 5664831), (15, 1888277), (19, 1490745), (23, 1231485), (29, 976695), (57, 496915), (69, 410495), (87, 325565), (95, 298149), (115, 246297), (145, 195339), (149, 190095), (285, 99383), (345, 82099), (435, 65113), (437, 64815), (447, 63365), (551, 51405), (667, 42465), (745, 38019), (1311, 21605), (1653, 17135), (2001, 14155), (2185, 12963), (2235, 12673), (2755, 10281), (2831, 10005), (3335, 8493), (3427, 8265), (4321, 6555)]