71358819

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{1237}}^1$

素因数の和:1355

約数の個数: 32

約数和(自身を含む): 113143296

約数和(自身を除く): 41784477

約数列:

[1, 3, 7, 21, 41, 67, 123, 201, 287, 469, 861, 1237, 1407, 2747, 3711, 8241, 8659, 19229, 25977, 50717, 57687, 82879, 152151, 248637, 355019, 580153, 1065057, 1740459, 3398039, 10194117, 23786273, 71358819]

約数ペア:

[(1, 71358819), (3, 23786273), (7, 10194117), (21, 3398039), (41, 1740459), (67, 1065057), (123, 580153), (201, 355019), (287, 248637), (469, 152151), (861, 82879), (1237, 57687), (1407, 50717), (2747, 25977), (3711, 19229), (8241, 8659)]