161447823

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:569

約数の個数: 40

約数和(自身を含む): 248814720

約数和(自身を除く): 87366897

約数列:

[1, 3, 9, 27, 67, 71, 81, 201, 213, 419, 603, 639, 1257, 1809, 1917, 3771, 4757, 5427, 5751, 11313, 14271, 28073, 29749, 33939, 42813, 84219, 89247, 128439, 252657, 267741, 385317, 757971, 803223, 1993183, 2273913, 2409669, 5979549, 17938647, 53815941, 161447823]

約数ペア:

[(1, 161447823), (3, 53815941), (9, 17938647), (27, 5979549), (67, 2409669), (71, 2273913), (81, 1993183), (201, 803223), (213, 757971), (419, 385317), (603, 267741), (639, 252657), (1257, 128439), (1809, 89247), (1917, 84219), (3771, 42813), (4757, 33939), (5427, 29749), (5751, 28073), (11313, 14271)]