289486785

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{45197}}^1$

素因数の和:45273

約数の個数: 32

約数和(自身を含む): 538036992

約数和(自身を除く): 248550207

約数列:

[1, 3, 5, 7, 15, 21, 35, 61, 105, 183, 305, 427, 915, 1281, 2135, 6405, 45197, 135591, 225985, 316379, 677955, 949137, 1581895, 2757017, 4745685, 8271051, 13785085, 19299119, 41355255, 57897357, 96495595, 289486785]

約数ペア:

[(1, 289486785), (3, 96495595), (5, 57897357), (7, 41355255), (15, 19299119), (21, 13785085), (35, 8271051), (61, 4745685), (105, 2757017), (183, 1581895), (305, 949137), (427, 677955), (915, 316379), (1281, 225985), (2135, 135591), (6405, 45197)]