31491378

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{102913}}^1$

素因数の和:102938

約数の個数: 24

約数和(自身を含む): 72245628

約数和(自身を除く): 40754250

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 102913, 205826, 308739, 617478, 926217, 1749521, 1852434, 3499042, 5248563, 10497126, 15745689, 31491378]

約数ペア:

[(1, 31491378), (2, 15745689), (3, 10497126), (6, 5248563), (9, 3499042), (17, 1852434), (18, 1749521), (34, 926217), (51, 617478), (102, 308739), (153, 205826), (306, 102913)]