16172715

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{421}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 28074816

約数和(自身を除く): 11902101

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 197, 421, 591, 985, 1263, 2105, 2561, 2955, 5473, 6315, 7683, 12805, 16419, 27365, 38415, 82095, 82937, 248811, 414685, 1078181, 1244055, 3234543, 5390905, 16172715]

約数ペア:

[(1, 16172715), (3, 5390905), (5, 3234543), (13, 1244055), (15, 1078181), (39, 414685), (65, 248811), (195, 82937), (197, 82095), (421, 38415), (591, 27365), (985, 16419), (1263, 12805), (2105, 7683), (2561, 6315), (2955, 5473)]