27831789

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{239}}^1$

素因数の和:494

約数の個数: 32

約数和(自身を含む): 43776000

約数和(自身を除く): 15944211

約数列:

[1, 3, 9, 19, 27, 57, 171, 227, 239, 513, 681, 717, 2043, 2151, 4313, 4541, 6129, 6453, 12939, 13623, 38817, 40869, 54253, 116451, 122607, 162759, 488277, 1030807, 1464831, 3092421, 9277263, 27831789]

約数ペア:

[(1, 27831789), (3, 9277263), (9, 3092421), (19, 1464831), (27, 1030807), (57, 488277), (171, 162759), (227, 122607), (239, 116451), (513, 54253), (681, 40869), (717, 38817), (2043, 13623), (2151, 12939), (4313, 6453), (4541, 6129)]