31445019

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{373}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 52509600

約数和(自身を除く): 21064581

約数列:

[1, 3, 9, 17, 19, 29, 51, 57, 87, 153, 171, 261, 323, 373, 493, 551, 969, 1119, 1479, 1653, 2907, 3357, 4437, 4959, 6341, 7087, 9367, 10817, 19023, 21261, 28101, 32451, 57069, 63783, 84303, 97353, 120479, 183889, 205523, 361437, 551667, 616569, 1084311, 1655001, 1849707, 3493891, 10481673, 31445019]

約数ペア:

[(1, 31445019), (3, 10481673), (9, 3493891), (17, 1849707), (19, 1655001), (29, 1084311), (51, 616569), (57, 551667), (87, 361437), (153, 205523), (171, 183889), (261, 120479), (323, 97353), (373, 84303), (493, 63783), (551, 57069), (969, 32451), (1119, 28101), (1479, 21261), (1653, 19023), (2907, 10817), (3357, 9367), (4437, 7087), (4959, 6341)]