61985

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1$

素因数の和:53

約数の個数: 24

約数和(自身を含む): 98496

約数和(自身を除く): 36511

約数列:

[1, 5, 7, 11, 23, 35, 49, 55, 77, 115, 161, 245, 253, 385, 539, 805, 1127, 1265, 1771, 2695, 5635, 8855, 12397, 61985]

約数ペア:

[(1, 61985), (5, 12397), (7, 8855), (11, 5635), (23, 2695), (35, 1771), (49, 1265), (55, 1127), (77, 805), (115, 539), (161, 385), (245, 253)]