30021957

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3583}}^1$

素因数の和:3622

約数の個数: 36

約数和(自身を含む): 53114880

約数和(自身を除く): 23092923

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2793, 3583, 8379, 10749, 25081, 32247, 68077, 75243, 175567, 204231, 225729, 476539, 526701, 612693, 1429617, 1580103, 3335773, 4288851, 10007319, 30021957]

約数ペア:

[(1, 30021957), (3, 10007319), (7, 4288851), (9, 3335773), (19, 1580103), (21, 1429617), (49, 612693), (57, 526701), (63, 476539), (133, 225729), (147, 204231), (171, 175567), (399, 75243), (441, 68077), (931, 32247), (1197, 25081), (2793, 10749), (3583, 8379)]