207905145

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{3089}}^1$

素因数の和:3745

約数の個数: 32

約数和(自身を含む): 380885760

約数和(自身を除く): 172980615

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 641, 1923, 3089, 3205, 4487, 9267, 9615, 13461, 15445, 21623, 22435, 46335, 64869, 67305, 108115, 324345, 1980049, 5940147, 9900245, 13860343, 29700735, 41581029, 69301715, 207905145]

約数ペア:

[(1, 207905145), (3, 69301715), (5, 41581029), (7, 29700735), (15, 13860343), (21, 9900245), (35, 5940147), (105, 1980049), (641, 324345), (1923, 108115), (3089, 67305), (3205, 64869), (4487, 46335), (9267, 22435), (9615, 21623), (13461, 15445)]