71649855

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1783}}^1$

素因数の和:1860

約数の個数: 48

約数和(自身を含む): 133585920

約数和(自身を除く): 61936065

約数列:

[1, 3, 5, 9, 15, 19, 45, 47, 57, 95, 141, 171, 235, 285, 423, 705, 855, 893, 1783, 2115, 2679, 4465, 5349, 8037, 8915, 13395, 16047, 26745, 33877, 40185, 80235, 83801, 101631, 169385, 251403, 304893, 419005, 508155, 754209, 1257015, 1524465, 1592219, 3771045, 4776657, 7961095, 14329971, 23883285, 71649855]

約数ペア:

[(1, 71649855), (3, 23883285), (5, 14329971), (9, 7961095), (15, 4776657), (19, 3771045), (45, 1592219), (47, 1524465), (57, 1257015), (95, 754209), (141, 508155), (171, 419005), (235, 304893), (285, 251403), (423, 169385), (705, 101631), (855, 83801), (893, 80235), (1783, 40185), (2115, 33877), (2679, 26745), (4465, 16047), (5349, 13395), (8037, 8915)]