72017309

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:586

約数の個数: 32

約数和(自身を含む): 93542400

約数和(自身を除く): 21525091

約数列:

[1, 7, 13, 31, 49, 91, 217, 343, 403, 521, 637, 1519, 2821, 3647, 4459, 6773, 10633, 16151, 19747, 25529, 47411, 113057, 138229, 178703, 209963, 331877, 791399, 1469741, 2323139, 5539793, 10288187, 72017309]

約数ペア:

[(1, 72017309), (7, 10288187), (13, 5539793), (31, 2323139), (49, 1469741), (91, 791399), (217, 331877), (343, 209963), (403, 178703), (521, 138229), (637, 113057), (1519, 47411), (2821, 25529), (3647, 19747), (4459, 16151), (6773, 10633)]