72423421

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{11113}}^1$

素因数の和:11153

約数の個数: 16

約数和(自身を含む): 88912000

約数和(自身を除く): 16488579

約数列:

[1, 7, 19, 49, 133, 343, 931, 6517, 11113, 77791, 211147, 544537, 1478029, 3811759, 10346203, 72423421]

約数ペア:

[(1, 72423421), (7, 10346203), (19, 3811759), (49, 1478029), (133, 544537), (343, 211147), (931, 77791), (6517, 11113)]