79661313

素因数分解:

$3^4\times {\mathrm{491}}^1\times {\mathrm{2003}}^1$

素因数の和:2506

約数の個数: 20

約数和(自身を含む): 119302128

約数和(自身を除く): 39640815

約数列:

[1, 3, 9, 27, 81, 491, 1473, 2003, 4419, 6009, 13257, 18027, 39771, 54081, 162243, 983473, 2950419, 8851257, 26553771, 79661313]

約数ペア:

[(1, 79661313), (3, 26553771), (9, 8851257), (27, 2950419), (81, 983473), (491, 162243), (1473, 54081), (2003, 39771), (4419, 18027), (6009, 13257)]