212996961

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{10627}}^1$

素因数の和:10781

約数の個数: 24

約数和(自身を含む): 328277664

約数和(自身を除く): 115280703

約数列:

[1, 3, 9, 17, 51, 131, 153, 393, 1179, 2227, 6681, 10627, 20043, 31881, 95643, 180659, 541977, 1392137, 1625931, 4176411, 12529233, 23666329, 70998987, 212996961]

約数ペア:

[(1, 212996961), (3, 70998987), (9, 23666329), (17, 12529233), (51, 4176411), (131, 1625931), (153, 1392137), (393, 541977), (1179, 180659), (2227, 95643), (6681, 31881), (10627, 20043)]