28261376367

素因数分解:

$3^1\times 7^2\times {\mathrm{1061}}^1\times {\mathrm{181201}}^1$

素因数の和:182279

約数の個数: 24

約数和(自身を含む): 43875527472

約数和(自身を除く): 15614151105

約数列:

[1, 3, 7, 21, 49, 147, 1061, 3183, 7427, 22281, 51989, 155967, 181201, 543603, 1268407, 3805221, 8878849, 26636547, 192254261, 576762783, 1345779827, 4037339481, 9420458789, 28261376367]

約数ペア:

[(1, 28261376367), (3, 9420458789), (7, 4037339481), (21, 1345779827), (49, 576762783), (147, 192254261), (1061, 26636547), (3183, 8878849), (7427, 3805221), (22281, 1268407), (51989, 543603), (155967, 181201)]