215461455

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{21407}}^1$

素因数の和:21487

約数の個数: 32

約数和(自身を含む): 382261248

約数和(自身を除く): 166799793

約数列:

[1, 3, 5, 11, 15, 33, 55, 61, 165, 183, 305, 671, 915, 2013, 3355, 10065, 21407, 64221, 107035, 235477, 321105, 706431, 1177385, 1305827, 3532155, 3917481, 6529135, 14364097, 19587405, 43092291, 71820485, 215461455]

約数ペア:

[(1, 215461455), (3, 71820485), (5, 43092291), (11, 19587405), (15, 14364097), (33, 6529135), (55, 3917481), (61, 3532155), (165, 1305827), (183, 1177385), (305, 706431), (671, 321105), (915, 235477), (2013, 107035), (3355, 64221), (10065, 21407)]