71380647

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{1171}}^1$

素因数の和:1711

約数の個数: 24

約数和(自身を含む): 111344688

約数和(自身を除く): 39964041

約数列:

[1, 3, 9, 13, 39, 117, 521, 1171, 1563, 3513, 4689, 6773, 10539, 15223, 20319, 45669, 60957, 137007, 610091, 1830273, 5490819, 7931183, 23793549, 71380647]

約数ペア:

[(1, 71380647), (3, 23793549), (9, 7931183), (13, 5490819), (39, 1830273), (117, 610091), (521, 137007), (1171, 60957), (1563, 45669), (3513, 20319), (4689, 15223), (6773, 10539)]