1305299691

素因数分解:

$3^4\times {\mathrm{691}}^1\times {\mathrm{23321}}^1$

素因数の和:24024

約数の個数: 20

約数和(自身を含む): 1952797704

約数和(自身を除く): 647498013

約数列:

[1, 3, 9, 27, 81, 691, 2073, 6219, 18657, 23321, 55971, 69963, 209889, 629667, 1889001, 16114811, 48344433, 145033299, 435099897, 1305299691]

約数ペア:

[(1, 1305299691), (3, 435099897), (9, 145033299), (27, 48344433), (81, 16114811), (691, 1889001), (2073, 629667), (6219, 209889), (18657, 69963), (23321, 55971)]