25978491

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1973}}^1$

素因数の和:2016

約数の個数: 48

約数和(自身を含む): 49271040

約数和(自身を除く): 23292549

約数列:

[1, 3, 7, 9, 11, 19, 21, 33, 57, 63, 77, 99, 133, 171, 209, 231, 399, 627, 693, 1197, 1463, 1881, 1973, 4389, 5919, 13167, 13811, 17757, 21703, 37487, 41433, 65109, 112461, 124299, 151921, 195327, 262409, 337383, 412357, 455763, 787227, 1237071, 1367289, 2361681, 2886499, 3711213, 8659497, 25978491]

約数ペア:

[(1, 25978491), (3, 8659497), (7, 3711213), (9, 2886499), (11, 2361681), (19, 1367289), (21, 1237071), (33, 787227), (57, 455763), (63, 412357), (77, 337383), (99, 262409), (133, 195327), (171, 151921), (209, 124299), (231, 112461), (399, 65109), (627, 41433), (693, 37487), (1197, 21703), (1463, 17757), (1881, 13811), (1973, 13167), (4389, 5919)]