291298329

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{81119}}^1$

素因数の和:81154

約数の個数: 32

約数和(自身を含む): 519168000

約数和(自身を除く): 227869671

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 81119, 243357, 567833, 730071, 1541261, 1703499, 2190213, 4623783, 5110497, 10788827, 13871349, 15331491, 32366481, 41614047, 97099443, 291298329]

約数ペア:

[(1, 291298329), (3, 97099443), (7, 41614047), (9, 32366481), (19, 15331491), (21, 13871349), (27, 10788827), (57, 5110497), (63, 4623783), (133, 2190213), (171, 1703499), (189, 1541261), (399, 730071), (513, 567833), (1197, 243357), (3591, 81119)]