77978649

素因数分解:

$3^1\times 7^3\times {\mathrm{75781}}^1$

素因数の和:75805

約数の個数: 16

約数和(自身を含む): 121251200

約数和(自身を除く): 43272551

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 75781, 227343, 530467, 1591401, 3713269, 11139807, 25992883, 77978649]

約数ペア:

[(1, 77978649), (3, 25992883), (7, 11139807), (21, 3713269), (49, 1591401), (147, 530467), (343, 227343), (1029, 75781)]