64870641

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{839}}^1$

素因数の和:938

約数の個数: 36

約数和(自身を含む): 104569920

約数和(自身を除く): 39699279

約数列:

[1, 3, 9, 11, 33, 71, 99, 121, 213, 363, 639, 781, 839, 1089, 2343, 2517, 7029, 7551, 8591, 9229, 25773, 27687, 59569, 77319, 83061, 101519, 178707, 304557, 536121, 655259, 913671, 1965777, 5897331, 7207849, 21623547, 64870641]

約数ペア:

[(1, 64870641), (3, 21623547), (9, 7207849), (11, 5897331), (33, 1965777), (71, 913671), (99, 655259), (121, 536121), (213, 304557), (363, 178707), (639, 101519), (781, 83061), (839, 77319), (1089, 59569), (2343, 27687), (2517, 25773), (7029, 9229), (7551, 8591)]