71646513

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 101243520

約数和(自身を除く): 29597007

約数列:

[1, 3, 53, 61, 83, 89, 159, 183, 249, 267, 3233, 4399, 4717, 5063, 5429, 7387, 9699, 13197, 14151, 15189, 16287, 22161, 268339, 287737, 391511, 450607, 805017, 863211, 1174533, 1351821, 23882171, 71646513]

約数ペア:

[(1, 71646513), (3, 23882171), (53, 1351821), (61, 1174533), (83, 863211), (89, 805017), (159, 450607), (183, 391511), (249, 287737), (267, 268339), (3233, 22161), (4399, 16287), (4717, 15189), (5063, 14151), (5429, 13197), (7387, 9699)]