71779479

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:295

約数の個数: 32

約数和(自身を含む): 101606400

約数和(自身を除く): 29826921

約数列:

[1, 3, 41, 79, 83, 89, 123, 237, 249, 267, 3239, 3403, 3649, 6557, 7031, 7387, 9717, 10209, 10947, 19671, 21093, 22161, 268837, 288271, 302867, 583573, 806511, 864813, 908601, 1750719, 23926493, 71779479]

約数ペア:

[(1, 71779479), (3, 23926493), (41, 1750719), (79, 908601), (83, 864813), (89, 806511), (123, 583573), (237, 302867), (249, 288271), (267, 268837), (3239, 22161), (3403, 21093), (3649, 19671), (6557, 10947), (7031, 10209), (7387, 9717)]