64907745

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{1259}}^1$

素因数の和:1765

約数の個数: 32

約数和(自身を含む): 119024640

約数和(自身を除く): 54116895

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 491, 1259, 1473, 2455, 3437, 3777, 6295, 7365, 8813, 10311, 17185, 18885, 26439, 44065, 51555, 132195, 618169, 1854507, 3090845, 4327183, 9272535, 12981549, 21635915, 64907745]

約数ペア:

[(1, 64907745), (3, 21635915), (5, 12981549), (7, 9272535), (15, 4327183), (21, 3090845), (35, 1854507), (105, 618169), (491, 132195), (1259, 51555), (1473, 44065), (2455, 26439), (3437, 18885), (3777, 17185), (6295, 10311), (7365, 8813)]