51993819

素因数分解:

$3^4\times {\mathrm{653}}^1\times {\mathrm{983}}^1$

素因数の和:1648

約数の個数: 20

約数和(自身を含む): 77867856

約数和(自身を除く): 25874037

約数列:

[1, 3, 9, 27, 81, 653, 983, 1959, 2949, 5877, 8847, 17631, 26541, 52893, 79623, 641899, 1925697, 5777091, 17331273, 51993819]

約数ペア:

[(1, 51993819), (3, 17331273), (9, 5777091), (27, 1925697), (81, 641899), (653, 79623), (983, 52893), (1959, 26541), (2949, 17631), (5877, 8847)]