172317405

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{2099}}^1$

素因数の和:2541

約数の個数: 32

約数和(自身を含む): 297763200

約数和(自身を除く): 125445795

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 421, 1263, 2099, 2105, 5473, 6297, 6315, 10495, 16419, 27287, 27365, 31485, 81861, 82095, 136435, 409305, 883679, 2651037, 4418395, 11487827, 13255185, 34463481, 57439135, 172317405]

約数ペア:

[(1, 172317405), (3, 57439135), (5, 34463481), (13, 13255185), (15, 11487827), (39, 4418395), (65, 2651037), (195, 883679), (421, 409305), (1263, 136435), (2099, 82095), (2105, 81861), (5473, 31485), (6297, 27365), (6315, 27287), (10495, 16419)]