51340731

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{367}}^1$

素因数の和:611

約数の個数: 32

約数和(自身を含む): 78640128

約数和(自身を除く): 27299397

約数列:

[1, 3, 13, 17, 39, 51, 211, 221, 367, 633, 663, 1101, 2743, 3587, 4771, 6239, 8229, 10761, 14313, 18717, 46631, 77437, 81107, 139893, 232311, 243321, 1006681, 1316429, 3020043, 3949287, 17113577, 51340731]

約数ペア:

[(1, 51340731), (3, 17113577), (13, 3949287), (17, 3020043), (39, 1316429), (51, 1006681), (211, 243321), (221, 232311), (367, 139893), (633, 81107), (663, 77437), (1101, 46631), (2743, 18717), (3587, 14313), (4771, 10761), (6239, 8229)]