40047405

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{2141}}^1$

素因数の和:2221

約数の個数: 32

約数和(自身を含む): 67858560

約数和(自身を除く): 27811155

約数列:

[1, 3, 5, 15, 29, 43, 87, 129, 145, 215, 435, 645, 1247, 2141, 3741, 6235, 6423, 10705, 18705, 32115, 62089, 92063, 186267, 276189, 310445, 460315, 931335, 1380945, 2669827, 8009481, 13349135, 40047405]

約数ペア:

[(1, 40047405), (3, 13349135), (5, 8009481), (15, 2669827), (29, 1380945), (43, 931335), (87, 460315), (129, 310445), (145, 276189), (215, 186267), (435, 92063), (645, 62089), (1247, 32115), (2141, 18705), (3741, 10705), (6235, 6423)]