64471491

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{7933}}^1$

素因数の和:7992

約数の個数: 32

約数和(自身を含む): 111710720

約数和(自身を除く): 47239229

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 1161, 2709, 7933, 8127, 23799, 55531, 71397, 166593, 214191, 341119, 499779, 1023357, 1499337, 2387833, 3070071, 7163499, 9210213, 21490497, 64471491]

約数ペア:

[(1, 64471491), (3, 21490497), (7, 9210213), (9, 7163499), (21, 3070071), (27, 2387833), (43, 1499337), (63, 1023357), (129, 499779), (189, 341119), (301, 214191), (387, 166593), (903, 71397), (1161, 55531), (2709, 23799), (7933, 8127)]