219975939

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{1889}}^1$

素因数の和:2144

約数の個数: 32

約数和(自身を含む): 344736000

約数和(自身を除く): 124760061

約数列:

[1, 3, 9, 19, 27, 57, 171, 227, 513, 681, 1889, 2043, 4313, 5667, 6129, 12939, 17001, 35891, 38817, 51003, 107673, 116451, 323019, 428803, 969057, 1286409, 3859227, 8147257, 11577681, 24441771, 73325313, 219975939]

約数ペア:

[(1, 219975939), (3, 73325313), (9, 24441771), (19, 11577681), (27, 8147257), (57, 3859227), (171, 1286409), (227, 969057), (513, 428803), (681, 323019), (1889, 116451), (2043, 107673), (4313, 51003), (5667, 38817), (6129, 35891), (12939, 17001)]