78382017

素因数分解:

$3^2\times 7^3\times {\mathrm{25391}}^1$

素因数の和:25418

約数の個数: 24

約数和(自身を含む): 132038400

約数和(自身を除く): 53656383

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 25391, 76173, 177737, 228519, 533211, 1244159, 1599633, 3732477, 8709113, 11197431, 26127339, 78382017]

約数ペア:

[(1, 78382017), (3, 26127339), (7, 11197431), (9, 8709113), (21, 3732477), (49, 1599633), (63, 1244159), (147, 533211), (343, 228519), (441, 177737), (1029, 76173), (3087, 25391)]