17639805

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:377

約数の個数: 32

約数和(自身を含む): 29196288

約数和(自身を除く): 11556483

約数列:

[1, 3, 5, 15, 47, 131, 141, 191, 235, 393, 573, 655, 705, 955, 1965, 2865, 6157, 8977, 18471, 25021, 26931, 30785, 44885, 75063, 92355, 125105, 134655, 375315, 1175987, 3527961, 5879935, 17639805]

約数ペア:

[(1, 17639805), (3, 5879935), (5, 3527961), (15, 1175987), (47, 375315), (131, 134655), (141, 125105), (191, 92355), (235, 75063), (393, 44885), (573, 30785), (655, 26931), (705, 25021), (955, 18471), (1965, 8977), (2865, 6157)]