205655085

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{313}}^1$

素因数の和:515

約数の個数: 64

約数和(自身を含む): 381020160

約数和(自身を除く): 175365075

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 157, 279, 313, 465, 471, 785, 837, 939, 1395, 1413, 1565, 2355, 2817, 4185, 4239, 4695, 4867, 7065, 8451, 9703, 14085, 14601, 21195, 24335, 29109, 42255, 43803, 48515, 49141, 73005, 87327, 131409, 145545, 147423, 219015, 245705, 261981, 436635, 442269, 657045, 737115, 1309905, 1326807, 1523371, 2211345, 4570113, 6634035, 7616855, 13710339, 22850565, 41131017, 68551695, 205655085]

約数ペア:

[(1, 205655085), (3, 68551695), (5, 41131017), (9, 22850565), (15, 13710339), (27, 7616855), (31, 6634035), (45, 4570113), (93, 2211345), (135, 1523371), (155, 1326807), (157, 1309905), (279, 737115), (313, 657045), (465, 442269), (471, 436635), (785, 261981), (837, 245705), (939, 219015), (1395, 147423), (1413, 145545), (1565, 131409), (2355, 87327), (2817, 73005), (4185, 49141), (4239, 48515), (4695, 43803), (4867, 42255), (7065, 29109), (8451, 24335), (9703, 21195), (14085, 14601)]