661569441

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{659}}^1\times {\mathrm{25741}}^1$

素因数の和:26416

約数の個数: 16

約数和(自身を含む): 951424320

約数和(自身を除く): 289854879

約数列:

[1, 3, 13, 39, 659, 1977, 8567, 25701, 25741, 77223, 334633, 1003899, 16963319, 50889957, 220523147, 661569441]

約数ペア:

[(1, 661569441), (3, 220523147), (13, 50889957), (39, 16963319), (659, 1003899), (1977, 334633), (8567, 77223), (25701, 25741)]