172970091

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1741}}^1$

素因数の和:1856

約数の個数: 48

約数和(自身を含む): 304362240

約数和(自身を除く): 131392149

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 83, 133, 171, 249, 399, 581, 747, 1197, 1577, 1741, 1743, 4731, 5223, 5229, 11039, 12187, 14193, 15669, 33079, 33117, 36561, 99237, 99351, 109683, 144503, 231553, 297711, 433509, 694659, 1011521, 1300527, 2083977, 2745557, 3034563, 8236671, 9103689, 19218899, 24710013, 57656697, 172970091]

約数ペア:

[(1, 172970091), (3, 57656697), (7, 24710013), (9, 19218899), (19, 9103689), (21, 8236671), (57, 3034563), (63, 2745557), (83, 2083977), (133, 1300527), (171, 1011521), (249, 694659), (399, 433509), (581, 297711), (747, 231553), (1197, 144503), (1577, 109683), (1741, 99351), (1743, 99237), (4731, 36561), (5223, 33117), (5229, 33079), (11039, 15669), (12187, 14193)]