31047219

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3221}}^1$

素因数の和:3257

約数の個数: 40

約数和(自身を含む): 56140128

約数和(自身を除く): 25092909

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 119, 153, 189, 357, 459, 567, 1071, 1377, 3213, 3221, 9639, 9663, 22547, 28989, 54757, 67641, 86967, 164271, 202923, 260901, 383299, 492813, 608769, 1149897, 1478439, 1826307, 3449691, 4435317, 10349073, 31047219]

約数ペア:

[(1, 31047219), (3, 10349073), (7, 4435317), (9, 3449691), (17, 1826307), (21, 1478439), (27, 1149897), (51, 608769), (63, 492813), (81, 383299), (119, 260901), (153, 202923), (189, 164271), (357, 86967), (459, 67641), (567, 54757), (1071, 28989), (1377, 22547), (3213, 9663), (3221, 9639)]