81306396

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{39623}}^1$

素因数の和:39655

約数の個数: 48

約数和(自身を含む): 221894400

約数和(自身を除く): 140588004

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, 39623, 79246, 118869, 158492, 237738, 356607, 475476, 713214, 752837, 1069821, 1426428, 1505674, 2139642, 2258511, 3011348, 4279284, 4517022, 6775533, 9034044, 13551066, 20326599, 27102132, 40653198, 81306396]

約数ペア:

[(1, 81306396), (2, 40653198), (3, 27102132), (4, 20326599), (6, 13551066), (9, 9034044), (12, 6775533), (18, 4517022), (19, 4279284), (27, 3011348), (36, 2258511), (38, 2139642), (54, 1505674), (57, 1426428), (76, 1069821), (108, 752837), (114, 713214), (171, 475476), (228, 356607), (342, 237738), (513, 158492), (684, 118869), (1026, 79246), (2052, 39623)]