31649121

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1019}}^1$

素因数の和:1078

約数の個数: 48

約数和(自身を含む): 57283200

約数和(自身を除く): 25634079

約数列:

[1, 3, 7, 9, 17, 21, 29, 51, 63, 87, 119, 153, 203, 261, 357, 493, 609, 1019, 1071, 1479, 1827, 3057, 3451, 4437, 7133, 9171, 10353, 17323, 21399, 29551, 31059, 51969, 64197, 88653, 121261, 155907, 206857, 265959, 363783, 502367, 620571, 1091349, 1507101, 1861713, 3516569, 4521303, 10549707, 31649121]

約数ペア:

[(1, 31649121), (3, 10549707), (7, 4521303), (9, 3516569), (17, 1861713), (21, 1507101), (29, 1091349), (51, 620571), (63, 502367), (87, 363783), (119, 265959), (153, 206857), (203, 155907), (261, 121261), (357, 88653), (493, 64197), (609, 51969), (1019, 31059), (1071, 29551), (1479, 21399), (1827, 17323), (3057, 10353), (3451, 9171), (4437, 7133)]