920745

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:134

約数の個数: 48

約数和(自身を含む): 1896960

約数和(自身を除く): 976215

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 37, 45, 63, 79, 105, 111, 185, 237, 259, 315, 333, 395, 553, 555, 711, 777, 1185, 1295, 1659, 1665, 2331, 2765, 2923, 3555, 3885, 4977, 8295, 8769, 11655, 14615, 20461, 24885, 26307, 43845, 61383, 102305, 131535, 184149, 306915, 920745]

約数ペア:

[(1, 920745), (3, 306915), (5, 184149), (7, 131535), (9, 102305), (15, 61383), (21, 43845), (35, 26307), (37, 24885), (45, 20461), (63, 14615), (79, 11655), (105, 8769), (111, 8295), (185, 4977), (237, 3885), (259, 3555), (315, 2923), (333, 2765), (395, 2331), (553, 1665), (555, 1659), (711, 1295), (777, 1185)]