217426821

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{983}}^1\times {\mathrm{4337}}^1$

素因数の和:5340

約数の個数: 16

約数和(自身を含む): 307338624

約数和(自身を除く): 89911803

約数列:

[1, 3, 17, 51, 983, 2949, 4337, 13011, 16711, 50133, 73729, 221187, 4263271, 12789813, 72475607, 217426821]

約数ペア:

[(1, 217426821), (3, 72475607), (17, 12789813), (51, 4263271), (983, 221187), (2949, 73729), (4337, 50133), (13011, 16711)]