71274399

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1\times {\mathrm{283}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 111237120

約数和(自身を除く): 39962721

約数列:

[1, 3, 7, 21, 67, 179, 201, 283, 469, 537, 849, 1253, 1407, 1981, 3759, 5943, 11993, 18961, 35979, 50657, 56883, 83951, 132727, 151971, 251853, 354599, 398181, 1063797, 3394019, 10182057, 23758133, 71274399]

約数ペア:

[(1, 71274399), (3, 23758133), (7, 10182057), (21, 3394019), (67, 1063797), (179, 398181), (201, 354599), (283, 251853), (469, 151971), (537, 132727), (849, 83951), (1253, 56883), (1407, 50657), (1981, 35979), (3759, 18961), (5943, 11993)]