221312445

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{177761}}^1$

素因数の和:177852

約数の個数: 16

約数和(自身を含む): 358368192

約数和(自身を除く): 137055747

約数列:

[1, 3, 5, 15, 83, 249, 415, 1245, 177761, 533283, 888805, 2666415, 14754163, 44262489, 73770815, 221312445]

約数ペア:

[(1, 221312445), (3, 73770815), (5, 44262489), (15, 14754163), (83, 2666415), (249, 888805), (415, 533283), (1245, 177761)]