20161958481

素因数分解:

$3^3\times 7^1\times {\mathrm{2341}}^1\times {\mathrm{45569}}^1$

素因数の和:47926

約数の個数: 32

約数和(自身を含む): 34151980800

約数和(自身を除く): 13990022319

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 2341, 7023, 16387, 21069, 45569, 49161, 63207, 136707, 147483, 318983, 410121, 442449, 956949, 1230363, 2870847, 8612541, 106677029, 320031087, 746739203, 960093261, 2240217609, 2880279783, 6720652827, 20161958481]

約数ペア:

[(1, 20161958481), (3, 6720652827), (7, 2880279783), (9, 2240217609), (21, 960093261), (27, 746739203), (63, 320031087), (189, 106677029), (2341, 8612541), (7023, 2870847), (16387, 1230363), (21069, 956949), (45569, 442449), (49161, 410121), (63207, 318983), (136707, 147483)]