15648381

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{769}}^1$

素因数の和:818

約数の個数: 48

約数和(自身を含む): 28828800

約数和(自身を除く): 13180419

約数列:

[1, 3, 7, 9, 17, 19, 21, 51, 57, 63, 119, 133, 153, 171, 323, 357, 399, 769, 969, 1071, 1197, 2261, 2307, 2907, 5383, 6783, 6921, 13073, 14611, 16149, 20349, 39219, 43833, 48447, 91511, 102277, 117657, 131499, 248387, 274533, 306831, 745161, 823599, 920493, 1738709, 2235483, 5216127, 15648381]

約数ペア:

[(1, 15648381), (3, 5216127), (7, 2235483), (9, 1738709), (17, 920493), (19, 823599), (21, 745161), (51, 306831), (57, 274533), (63, 248387), (119, 131499), (133, 117657), (153, 102277), (171, 91511), (323, 48447), (357, 43833), (399, 39219), (769, 20349), (969, 16149), (1071, 14611), (1197, 13073), (2261, 6921), (2307, 6783), (2907, 5383)]