64521639

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{78781}}^1$

素因数の和:78807

約数の個数: 24

約数和(自身を含む): 114706592

約数和(自身を除く): 50184953

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 78781, 236343, 551467, 709029, 1024153, 1654401, 3072459, 4963203, 7169071, 9217377, 21507213, 64521639]

約数ペア:

[(1, 64521639), (3, 21507213), (7, 9217377), (9, 7169071), (13, 4963203), (21, 3072459), (39, 1654401), (63, 1024153), (91, 709029), (117, 551467), (273, 236343), (819, 78781)]