9989285

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:293

約数の個数: 24

約数和(自身を含む): 13203456

約数和(自身を除く): 3214171

約数列:

[1, 5, 17, 31, 85, 155, 223, 289, 527, 1115, 1445, 2635, 3791, 6913, 8959, 18955, 34565, 44795, 64447, 117521, 322235, 587605, 1997857, 9989285]

約数ペア:

[(1, 9989285), (5, 1997857), (17, 587605), (31, 322235), (85, 117521), (155, 64447), (223, 44795), (289, 34565), (527, 18955), (1115, 8959), (1445, 6913), (2635, 3791)]