261806403

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1489}}^1$

素因数の和:1611

約数の個数: 32

約数和(自身を含む): 377625600

約数和(自身を除く): 115819197

約数列:

[1, 3, 29, 43, 47, 87, 129, 141, 1247, 1363, 1489, 2021, 3741, 4089, 4467, 6063, 43181, 58609, 64027, 69983, 129543, 175827, 192081, 209949, 1856783, 2029507, 3009269, 5570349, 6088521, 9027807, 87268801, 261806403]

約数ペア:

[(1, 261806403), (3, 87268801), (29, 9027807), (43, 6088521), (47, 5570349), (87, 3009269), (129, 2029507), (141, 1856783), (1247, 209949), (1363, 192081), (1489, 175827), (2021, 129543), (3741, 69983), (4089, 64027), (4467, 58609), (6063, 43181)]