81430371

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43291}}^1$

素因数の和:43327

約数の個数: 24

約数和(自身を含む): 135071040

約数和(自身を除く): 53640669

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 43291, 129873, 389619, 476201, 822529, 1428603, 2467587, 4285809, 7402761, 9047819, 27143457, 81430371]

約数ペア:

[(1, 81430371), (3, 27143457), (9, 9047819), (11, 7402761), (19, 4285809), (33, 2467587), (57, 1428603), (99, 822529), (171, 476201), (209, 389619), (627, 129873), (1881, 43291)]