72388197

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{8387}}^1$

素因数の和:8537

約数の個数: 24

約数和(自身を含む): 120384576

約数和(自身を除く): 47996379

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 959, 1233, 2877, 8387, 8631, 25161, 58709, 75483, 176127, 528381, 1149019, 3447057, 8043133, 10341171, 24129399, 72388197]

約数ペア:

[(1, 72388197), (3, 24129399), (7, 10341171), (9, 8043133), (21, 3447057), (63, 1149019), (137, 528381), (411, 176127), (959, 75483), (1233, 58709), (2877, 25161), (8387, 8631)]