67968681

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2521}}^1$

素因数の和:2597

約数の個数: 32

約数和(自身を含む): 106529280

約数和(自身を除く): 38560599

約数列:

[1, 3, 11, 19, 33, 43, 57, 129, 209, 473, 627, 817, 1419, 2451, 2521, 7563, 8987, 26961, 27731, 47899, 83193, 108403, 143697, 325209, 526889, 1192433, 1580667, 2059657, 3577299, 6178971, 22656227, 67968681]

約数ペア:

[(1, 67968681), (3, 22656227), (11, 6178971), (19, 3577299), (33, 2059657), (43, 1580667), (57, 1192433), (129, 526889), (209, 325209), (473, 143697), (627, 108403), (817, 83193), (1419, 47899), (2451, 27731), (2521, 26961), (7563, 8987)]