30821245

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{9677}}^1$

素因数の和:9709

約数の個数: 24

約数和(自身を含む): 46338264

約数和(自身を除く): 15517019

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 9677, 48385, 67739, 125801, 338695, 474173, 629005, 880607, 2370865, 4403035, 6164249, 30821245]

約数ペア:

[(1, 30821245), (5, 6164249), (7, 4403035), (13, 2370865), (35, 880607), (49, 629005), (65, 474173), (91, 338695), (245, 125801), (455, 67739), (637, 48385), (3185, 9677)]