68001885

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3539}}^1$

素因数の和:3618

約数の個数: 48

約数和(自身を含む): 136955520

約数和(自身を除く): 68953635

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 61, 63, 105, 183, 305, 315, 427, 549, 915, 1281, 2135, 2745, 3539, 3843, 6405, 10617, 17695, 19215, 24773, 31851, 53085, 74319, 123865, 159255, 215879, 222957, 371595, 647637, 1079395, 1114785, 1511153, 1942911, 3238185, 4533459, 7555765, 9714555, 13600377, 22667295, 68001885]

約数ペア:

[(1, 68001885), (3, 22667295), (5, 13600377), (7, 9714555), (9, 7555765), (15, 4533459), (21, 3238185), (35, 1942911), (45, 1511153), (61, 1114785), (63, 1079395), (105, 647637), (183, 371595), (305, 222957), (315, 215879), (427, 159255), (549, 123865), (915, 74319), (1281, 53085), (2135, 31851), (2745, 24773), (3539, 19215), (3843, 17695), (6405, 10617)]