31184511

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:295

約数の個数: 32

約数和(自身を含む): 45722880

約数和(自身を除く): 14538369

約数列:

[1, 3, 17, 51, 53, 83, 139, 159, 249, 417, 901, 1411, 2363, 2703, 4233, 4399, 7089, 7367, 11537, 13197, 22101, 34611, 74783, 125239, 196129, 224349, 375717, 588387, 611461, 1834383, 10394837, 31184511]

約数ペア:

[(1, 31184511), (3, 10394837), (17, 1834383), (51, 611461), (53, 588387), (83, 375717), (139, 224349), (159, 196129), (249, 125239), (417, 74783), (901, 34611), (1411, 22101), (2363, 13197), (2703, 11537), (4233, 7367), (4399, 7089)]