31531923

素因数分解:

$3^5\times {\mathrm{17}}^2\times {\mathrm{449}}^1$

素因数の和:498

約数の個数: 36

約数和(自身を含む): 50286600

約数和(自身を除く): 18754677

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 289, 449, 459, 867, 1347, 1377, 2601, 4041, 4131, 7633, 7803, 12123, 22899, 23409, 36369, 68697, 70227, 109107, 129761, 206091, 389283, 618273, 1167849, 1854819, 3503547, 10510641, 31531923]

約数ペア:

[(1, 31531923), (3, 10510641), (9, 3503547), (17, 1854819), (27, 1167849), (51, 618273), (81, 389283), (153, 206091), (243, 129761), (289, 109107), (449, 70227), (459, 68697), (867, 36369), (1347, 23409), (1377, 22899), (2601, 12123), (4041, 7803), (4131, 7633)]