71260641

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{12391}}^1$

素因数の和:12474

約数の個数: 20

約数和(自身を含む): 107959104

約数和(自身を除く): 36698463

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 12391, 37173, 111519, 334557, 879761, 1003671, 2639283, 7917849, 23753547, 71260641]

約数ペア:

[(1, 71260641), (3, 23753547), (9, 7917849), (27, 2639283), (71, 1003671), (81, 879761), (213, 334557), (639, 111519), (1917, 37173), (5751, 12391)]