51990507

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{1381}}^1$

素因数の和:1523

約数の個数: 24

約数和(自身を含む): 77613120

約数和(自身を除く): 25622613

約数列:

[1, 3, 9, 47, 89, 141, 267, 423, 801, 1381, 4143, 4183, 12429, 12549, 37647, 64907, 122909, 194721, 368727, 584163, 1106181, 5776723, 17330169, 51990507]

約数ペア:

[(1, 51990507), (3, 17330169), (9, 5776723), (47, 1106181), (89, 584163), (141, 368727), (267, 194721), (423, 122909), (801, 64907), (1381, 37647), (4143, 12549), (4183, 12429)]