219765

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:58

約数の個数: 48

約数和(自身を含む): 459648

約数和(自身を除く): 239883

約数列:

[1, 3, 5, 7, 13, 15, 21, 23, 35, 39, 49, 65, 69, 91, 105, 115, 147, 161, 195, 245, 273, 299, 345, 455, 483, 637, 735, 805, 897, 1127, 1365, 1495, 1911, 2093, 2415, 3185, 3381, 4485, 5635, 6279, 9555, 10465, 14651, 16905, 31395, 43953, 73255, 219765]

約数ペア:

[(1, 219765), (3, 73255), (5, 43953), (7, 31395), (13, 16905), (15, 14651), (21, 10465), (23, 9555), (35, 6279), (39, 5635), (49, 4485), (65, 3381), (69, 3185), (91, 2415), (105, 2093), (115, 1911), (147, 1495), (161, 1365), (195, 1127), (245, 897), (273, 805), (299, 735), (345, 637), (455, 483)]