87081561

素因数分解:

$3^4\times 7^1\times {\mathrm{383}}^1\times {\mathrm{401}}^1$

素因数の和:803

約数の個数: 40

約数和(自身を含む): 149428224

約数和(自身を除く): 62346663

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 383, 401, 567, 1149, 1203, 2681, 2807, 3447, 3609, 8043, 8421, 10341, 10827, 24129, 25263, 31023, 32481, 72387, 75789, 153583, 217161, 227367, 460749, 1075081, 1382247, 3225243, 4146741, 9675729, 12440223, 29027187, 87081561]

約数ペア:

[(1, 87081561), (3, 29027187), (7, 12440223), (9, 9675729), (21, 4146741), (27, 3225243), (63, 1382247), (81, 1075081), (189, 460749), (383, 227367), (401, 217161), (567, 153583), (1149, 75789), (1203, 72387), (2681, 32481), (2807, 31023), (3447, 25263), (3609, 24129), (8043, 10827), (8421, 10341)]