291216933

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{2153}}^1$

素因数の和:2298

約数の個数: 48

約数和(自身を含む): 510756480

約数和(自身を除く): 219539547

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 113, 133, 171, 339, 399, 791, 1017, 1197, 2147, 2153, 2373, 6441, 6459, 7119, 15029, 15071, 19323, 19377, 40907, 45087, 45213, 122721, 135261, 135639, 243289, 286349, 368163, 729867, 859047, 1703023, 2189601, 2577141, 4622491, 5109069, 13867473, 15327207, 32357437, 41602419, 97072311, 291216933]

約数ペア:

[(1, 291216933), (3, 97072311), (7, 41602419), (9, 32357437), (19, 15327207), (21, 13867473), (57, 5109069), (63, 4622491), (113, 2577141), (133, 2189601), (171, 1703023), (339, 859047), (399, 729867), (791, 368163), (1017, 286349), (1197, 243289), (2147, 135639), (2153, 135261), (2373, 122721), (6441, 45213), (6459, 45087), (7119, 40907), (15029, 19377), (15071, 19323)]