64897749

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{54217}}^1$

素因数の和:54249

約数の個数: 24

約数和(自身を含む): 112773440

約数和(自身を除く): 47875691

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 54217, 162651, 379519, 487953, 1030123, 1138557, 3090369, 3415671, 7210861, 9271107, 21632583, 64897749]

約数ペア:

[(1, 64897749), (3, 21632583), (7, 9271107), (9, 7210861), (19, 3415671), (21, 3090369), (57, 1138557), (63, 1030123), (133, 487953), (171, 379519), (399, 162651), (1197, 54217)]