2779639947

素因数分解:

$3^2\times 7^1\times {\mathrm{971}}^1\times {\mathrm{45439}}^1$

素因数の和:46423

約数の個数: 24

約数和(自身を含む): 4593438720

約数和(自身を除く): 1813798773

約数列:

[1, 3, 7, 9, 21, 63, 971, 2913, 6797, 8739, 20391, 45439, 61173, 136317, 318073, 408951, 954219, 2862657, 44121269, 132363807, 308848883, 397091421, 926546649, 2779639947]

約数ペア:

[(1, 2779639947), (3, 926546649), (7, 397091421), (9, 308848883), (21, 132363807), (63, 44121269), (971, 2862657), (2913, 954219), (6797, 408951), (8739, 318073), (20391, 136317), (45439, 61173)]