81781146

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{197539}}^1$

素因数の和:197570

約数の個数: 24

約数和(自身を含む): 184897440

約数和(自身を除く): 103116294

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 197539, 395078, 592617, 1185234, 1777851, 3555702, 4543397, 9086794, 13630191, 27260382, 40890573, 81781146]

約数ペア:

[(1, 81781146), (2, 40890573), (3, 27260382), (6, 13630191), (9, 9086794), (18, 4543397), (23, 3555702), (46, 1777851), (69, 1185234), (138, 592617), (207, 395078), (414, 197539)]