145217457

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{209549}}^1$

素因数の和:209573

約数の個数: 24

約数和(自身を含む): 261518400

約数和(自身を除く): 116300943

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 209549, 628647, 1466843, 1885941, 2305039, 4400529, 6915117, 13201587, 16135273, 20745351, 48405819, 145217457]

約数ペア:

[(1, 145217457), (3, 48405819), (7, 20745351), (9, 16135273), (11, 13201587), (21, 6915117), (33, 4400529), (63, 2305039), (77, 1885941), (99, 1466843), (231, 628647), (693, 209549)]