201521853

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{2819}}^1$

素因数の和:2898

約数の個数: 36

約数和(自身を含む): 322021440

約数和(自身を除く): 120499587

約数列:

[1, 3, 9, 13, 39, 47, 117, 141, 169, 423, 507, 611, 1521, 1833, 2819, 5499, 7943, 8457, 23829, 25371, 36647, 71487, 109941, 132493, 329823, 397479, 476411, 1192437, 1429233, 1722409, 4287699, 5167227, 15501681, 22391317, 67173951, 201521853]

約数ペア:

[(1, 201521853), (3, 67173951), (9, 22391317), (13, 15501681), (39, 5167227), (47, 4287699), (117, 1722409), (141, 1429233), (169, 1192437), (423, 476411), (507, 397479), (611, 329823), (1521, 132493), (1833, 109941), (2819, 71487), (5499, 36647), (7943, 25371), (8457, 23829)]