11900991

素因数分解:

$3^1\times {\mathrm{29}}^2\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:203

約数の個数: 24

約数和(自身を含む): 16932240

約数和(自身を除く): 5031249

約数列:

[1, 3, 29, 53, 87, 89, 159, 267, 841, 1537, 2523, 2581, 4611, 4717, 7743, 14151, 44573, 74849, 133719, 136793, 224547, 410379, 3966997, 11900991]

約数ペア:

[(1, 11900991), (3, 3966997), (29, 410379), (53, 224547), (87, 136793), (89, 133719), (159, 74849), (267, 44573), (841, 14151), (1537, 7743), (2523, 4717), (2581, 4611)]