1221765837

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{141359}}^1$

素因数の和:141472

約数の個数: 16

約数和(自身を含む): 1691796480

約数和(自身を除く): 470030643

約数列:

[1, 3, 43, 67, 129, 201, 2881, 8643, 141359, 424077, 6078437, 9471053, 18235311, 28413159, 407255279, 1221765837]

約数ペア:

[(1, 1221765837), (3, 407255279), (43, 28413159), (67, 18235311), (129, 9471053), (201, 6078437), (2881, 424077), (8643, 141359)]