28778835519

素因数分解:

$3^3\times 7^1\times {\mathrm{152268971}}^1$

素因数の和:152268987

約数の個数: 16

約数和(自身を含む): 48726071040

約数和(自身を除く): 19947235521

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 152268971, 456806913, 1065882797, 1370420739, 3197648391, 4111262217, 9592945173, 28778835519]

約数ペア:

[(1, 28778835519), (3, 9592945173), (7, 4111262217), (9, 3197648391), (21, 1370420739), (27, 1065882797), (63, 456806913), (189, 152268971)]