81072468

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{39509}}^1$

素因数の和:39541

約数の個数: 48

約数和(自身を含む): 221256000

約数和(自身を除く): 140183532

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 513, 684, 1026, 2052, 39509, 79018, 118527, 158036, 237054, 355581, 474108, 711162, 750671, 1066743, 1422324, 1501342, 2133486, 2252013, 3002684, 4266972, 4504026, 6756039, 9008052, 13512078, 20268117, 27024156, 40536234, 81072468]

約数ペア:

[(1, 81072468), (2, 40536234), (3, 27024156), (4, 20268117), (6, 13512078), (9, 9008052), (12, 6756039), (18, 4504026), (19, 4266972), (27, 3002684), (36, 2252013), (38, 2133486), (54, 1501342), (57, 1422324), (76, 1066743), (108, 750671), (114, 711162), (171, 474108), (228, 355581), (342, 237054), (513, 158036), (684, 118527), (1026, 79018), (2052, 39509)]