28753641

素因数分解:

$3^2\times 7^2\times {\mathrm{113}}^1\times {\mathrm{577}}^1$

素因数の和:710

約数の個数: 36

約数和(自身を含む): 48825972

約数和(自身を除く): 20072331

約数列:

[1, 3, 7, 9, 21, 49, 63, 113, 147, 339, 441, 577, 791, 1017, 1731, 2373, 4039, 5193, 5537, 7119, 12117, 16611, 28273, 36351, 49833, 65201, 84819, 195603, 254457, 456407, 586809, 1369221, 3194849, 4107663, 9584547, 28753641]

約数ペア:

[(1, 28753641), (3, 9584547), (7, 4107663), (9, 3194849), (21, 1369221), (49, 586809), (63, 456407), (113, 254457), (147, 195603), (339, 84819), (441, 65201), (577, 49833), (791, 36351), (1017, 28273), (1731, 16611), (2373, 12117), (4039, 7119), (5193, 5537)]