9967761

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{821}}^1$

素因数の和:917

約数の個数: 24

約数和(自身を含む): 15387840

約数和(自身を除く): 5420079

約数列:

[1, 3, 9, 19, 57, 71, 171, 213, 639, 821, 1349, 2463, 4047, 7389, 12141, 15599, 46797, 58291, 140391, 174873, 524619, 1107529, 3322587, 9967761]

約数ペア:

[(1, 9967761), (3, 3322587), (9, 1107529), (19, 524619), (57, 174873), (71, 140391), (171, 58291), (213, 46797), (639, 15599), (821, 12141), (1349, 7389), (2463, 4047)]