68368419

素因数分解:

$3^2\times 7^1\times {\mathrm{641}}^1\times {\mathrm{1693}}^1$

素因数の和:2347

約数の個数: 24

約数和(自身を含む): 113104992

約数和(自身を除く): 44736573

約数列:

[1, 3, 7, 9, 21, 63, 641, 1693, 1923, 4487, 5079, 5769, 11851, 13461, 15237, 35553, 40383, 106659, 1085213, 3255639, 7596491, 9766917, 22789473, 68368419]

約数ペア:

[(1, 68368419), (3, 22789473), (7, 9766917), (9, 7596491), (21, 3255639), (63, 1085213), (641, 106659), (1693, 40383), (1923, 35553), (4487, 15237), (5079, 13461), (5769, 11851)]