821727441

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{929}}^1\times {\mathrm{3389}}^1$

素因数の和:4353

約数の個数: 24

約数和(自身を含む): 1229553000

約数和(自身を除く): 407825559

約数列:

[1, 3, 9, 29, 87, 261, 929, 2787, 3389, 8361, 10167, 26941, 30501, 80823, 98281, 242469, 294843, 884529, 3148381, 9445143, 28335429, 91303049, 273909147, 821727441]

約数ペア:

[(1, 821727441), (3, 273909147), (9, 91303049), (29, 28335429), (87, 9445143), (261, 3148381), (929, 884529), (2787, 294843), (3389, 242469), (8361, 98281), (10167, 80823), (26941, 30501)]