212230809

素因数分解:

$3^2\times 7^2\times {\mathrm{481249}}^1$

素因数の和:481269

約数の個数: 18

約数和(自身を含む): 356606250

約数和(自身を除く): 144375441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 481249, 1443747, 3368743, 4331241, 10106229, 23581201, 30318687, 70743603, 212230809]

約数ペア:

[(1, 212230809), (3, 70743603), (7, 30318687), (9, 23581201), (21, 10106229), (49, 4331241), (63, 3368743), (147, 1443747), (441, 481249)]