31904427

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{461}}^1$

素因数の和:563

約数の個数: 32

約数和(自身を含む): 47900160

約数和(自身を除く): 15995733

約数列:

[1, 3, 17, 23, 51, 59, 69, 177, 391, 461, 1003, 1173, 1357, 1383, 3009, 4071, 7837, 10603, 23069, 23511, 27199, 31809, 69207, 81597, 180251, 462383, 540753, 625577, 1387149, 1876731, 10634809, 31904427]

約数ペア:

[(1, 31904427), (3, 10634809), (17, 1876731), (23, 1387149), (51, 625577), (59, 540753), (69, 462383), (177, 180251), (391, 81597), (461, 69207), (1003, 31809), (1173, 27199), (1357, 23511), (1383, 23069), (3009, 10603), (4071, 7837)]