11972223

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1321}}^1$

素因数の和:1399

約数の個数: 24

約数和(自身を含む): 18560880

約数和(自身を除く): 6588657

約数列:

[1, 3, 9, 19, 53, 57, 159, 171, 477, 1007, 1321, 3021, 3963, 9063, 11889, 25099, 70013, 75297, 210039, 225891, 630117, 1330247, 3990741, 11972223]

約数ペア:

[(1, 11972223), (3, 3990741), (9, 1330247), (19, 630117), (53, 225891), (57, 210039), (159, 75297), (171, 70013), (477, 25099), (1007, 11889), (1321, 9063), (3021, 3963)]