81956574

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{650449}}^1$

素因数の和:650464

約数の個数: 24

約数和(自身を含む): 202940400

約数和(自身を除く): 120983826

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 650449, 1300898, 1951347, 3902694, 4553143, 5854041, 9106286, 11708082, 13659429, 27318858, 40978287, 81956574]

約数ペア:

[(1, 81956574), (2, 40978287), (3, 27318858), (6, 13659429), (7, 11708082), (9, 9106286), (14, 5854041), (18, 4553143), (21, 3902694), (42, 1951347), (63, 1300898), (126, 650449)]