155223711

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:756

約数の個数: 48

約数和(自身を含む): 250698240

約数和(自身を除く): 95474529

約数列:

[1, 3, 9, 19, 23, 57, 61, 69, 171, 183, 207, 437, 549, 647, 1159, 1311, 1403, 1941, 3477, 3933, 4209, 5823, 10431, 12293, 12627, 14881, 26657, 36879, 39467, 44643, 79971, 110637, 118401, 133929, 239913, 282739, 355203, 749873, 848217, 907741, 2249619, 2544651, 2723223, 6748857, 8169669, 17247079, 51741237, 155223711]

約数ペア:

[(1, 155223711), (3, 51741237), (9, 17247079), (19, 8169669), (23, 6748857), (57, 2723223), (61, 2544651), (69, 2249619), (171, 907741), (183, 848217), (207, 749873), (437, 355203), (549, 282739), (647, 239913), (1159, 133929), (1311, 118401), (1403, 110637), (1941, 79971), (3477, 44643), (3933, 39467), (4209, 36879), (5823, 26657), (10431, 14881), (12293, 12627)]