72129715

素因数分解:

$5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{9497}}^1$

素因数の和:9547

約数の個数: 24

約数和(自身を含む): 103946112

約数和(自身を除く): 31816397

約数列:

[1, 5, 7, 31, 35, 49, 155, 217, 245, 1085, 1519, 7595, 9497, 47485, 66479, 294407, 332395, 465353, 1472035, 2060849, 2326765, 10304245, 14425943, 72129715]

約数ペア:

[(1, 72129715), (5, 14425943), (7, 10304245), (31, 2326765), (35, 2060849), (49, 1472035), (155, 465353), (217, 332395), (245, 294407), (1085, 66479), (1519, 47485), (7595, 9497)]