31220211

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 52876800

約数和(自身を除く): 21656589

約数列:

[1, 3, 11, 17, 19, 29, 33, 51, 57, 87, 101, 187, 209, 303, 319, 323, 493, 551, 561, 627, 957, 969, 1111, 1479, 1653, 1717, 1919, 2929, 3333, 3553, 5151, 5423, 5757, 6061, 8787, 9367, 10659, 16269, 18183, 18887, 21109, 28101, 32219, 32623, 49793, 55651, 56661, 63327, 96657, 97869, 103037, 149379, 166953, 309111, 358853, 547723, 612161, 946067, 1076559, 1643169, 1836483, 2838201, 10406737, 31220211]

約数ペア:

[(1, 31220211), (3, 10406737), (11, 2838201), (17, 1836483), (19, 1643169), (29, 1076559), (33, 946067), (51, 612161), (57, 547723), (87, 358853), (101, 309111), (187, 166953), (209, 149379), (303, 103037), (319, 97869), (323, 96657), (493, 63327), (551, 56661), (561, 55651), (627, 49793), (957, 32623), (969, 32219), (1111, 28101), (1479, 21109), (1653, 18887), (1717, 18183), (1919, 16269), (2929, 10659), (3333, 9367), (3553, 8787), (5151, 6061), (5423, 5757)]