81577965

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{2239}}^1$

素因数の和:2601

約数の個数: 32

約数和(自身を含む): 149667840

約数和(自身を除く): 68089875

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 347, 1041, 1735, 2239, 2429, 5205, 6717, 7287, 11195, 12145, 15673, 33585, 36435, 47019, 78365, 235095, 776933, 2330799, 3884665, 5438531, 11653995, 16315593, 27192655, 81577965]

約数ペア:

[(1, 81577965), (3, 27192655), (5, 16315593), (7, 11653995), (15, 5438531), (21, 3884665), (35, 2330799), (105, 776933), (347, 235095), (1041, 78365), (1735, 47019), (2239, 36435), (2429, 33585), (5205, 15673), (6717, 12145), (7287, 11195)]