81189603

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2539}}^1$

素因数の和:2592

約数の個数: 48

約数和(自身を含む): 142646400

約数和(自身を除く): 61456797

約数列:

[1, 3, 9, 11, 17, 19, 33, 51, 57, 99, 153, 171, 187, 209, 323, 561, 627, 969, 1683, 1881, 2539, 2907, 3553, 7617, 10659, 22851, 27929, 31977, 43163, 48241, 83787, 129489, 144723, 251361, 388467, 434169, 474793, 530651, 820097, 1424379, 1591953, 2460291, 4273137, 4775859, 7380873, 9021067, 27063201, 81189603]

約数ペア:

[(1, 81189603), (3, 27063201), (9, 9021067), (11, 7380873), (17, 4775859), (19, 4273137), (33, 2460291), (51, 1591953), (57, 1424379), (99, 820097), (153, 530651), (171, 474793), (187, 434169), (209, 388467), (323, 251361), (561, 144723), (627, 129489), (969, 83787), (1683, 48241), (1881, 43163), (2539, 31977), (2907, 27929), (3553, 22851), (7617, 10659)]