201458121

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{541}}^1$

素因数の和:749

約数の個数: 32

約数和(自身を含む): 291379200

約数和(自身を除く): 89921079

約数列:

[1, 3, 19, 47, 57, 139, 141, 417, 541, 893, 1623, 2641, 2679, 6533, 7923, 10279, 19599, 25427, 30837, 75199, 76281, 124127, 225597, 372381, 483113, 1428781, 1449339, 3534353, 4286343, 10603059, 67152707, 201458121]

約数ペア:

[(1, 201458121), (3, 67152707), (19, 10603059), (47, 4286343), (57, 3534353), (139, 1449339), (141, 1428781), (417, 483113), (541, 372381), (893, 225597), (1623, 124127), (2641, 76281), (2679, 75199), (6533, 30837), (7923, 25427), (10279, 19599)]