281886435

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{2347}}^1$

素因数の和:2532

約数の個数: 48

約数和(自身を含む): 520861536

約数和(自身を除く): 238975101

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 157, 255, 471, 765, 785, 1413, 2347, 2355, 2669, 7041, 7065, 8007, 11735, 13345, 21123, 24021, 35205, 39899, 40035, 105615, 119697, 120105, 199495, 359091, 368479, 598485, 1105437, 1795455, 1842395, 3316311, 5527185, 6264143, 16581555, 18792429, 31320715, 56377287, 93962145, 281886435]

約数ペア:

[(1, 281886435), (3, 93962145), (5, 56377287), (9, 31320715), (15, 18792429), (17, 16581555), (45, 6264143), (51, 5527185), (85, 3316311), (153, 1842395), (157, 1795455), (255, 1105437), (471, 598485), (765, 368479), (785, 359091), (1413, 199495), (2347, 120105), (2355, 119697), (2669, 105615), (7041, 40035), (7065, 39899), (8007, 35205), (11735, 24021), (13345, 21123)]