263480931

素因数分解:

$3^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{3659}}^1$

素因数の和:3805

約数の個数: 40

約数和(自身を含む): 453488640

約数和(自身を除く): 190007709

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 127, 189, 381, 567, 889, 1143, 2667, 3429, 3659, 8001, 10287, 10977, 24003, 25613, 32931, 72009, 76839, 98793, 230517, 296379, 464693, 691551, 1394079, 2074653, 3252851, 4182237, 9758553, 12546711, 29275659, 37640133, 87826977, 263480931]

約数ペア:

[(1, 263480931), (3, 87826977), (7, 37640133), (9, 29275659), (21, 12546711), (27, 9758553), (63, 4182237), (81, 3252851), (127, 2074653), (189, 1394079), (381, 691551), (567, 464693), (889, 296379), (1143, 230517), (2667, 98793), (3429, 76839), (3659, 72009), (8001, 32931), (10287, 25613), (10977, 24003)]